Latest monomer Tenders | Government monomer Tenders

CTN :44855789

05 May, 2026 NA

Alwar - Rajasthan

Tender For corrigendum : supply of proferrin heme iron polypeptide 12mg elemental iron tab , lotepredenol etabonate , lotion terbinafine , mefenamic acid 500 mg tab , megestrol acetate 160mg tab , melatonin 3mg tab , memantine 5 mg donepezil 5 mg tab , metformin 1000mg tab , methotrexate 15 mg tab , methylcobalamin 1500 mg tab , methylcobalamin 500mg tab , methyldopa 250mg tab , metoprolol tartrate 100 mg tab , miconozole fluocinolone oint , mifepristone 200mg tab , mirabegron 25mg cap , mirtazapine 10 mg tab , mirtazapine 7.5 mg tab , montelukast 10 mg tab , moxonidine 0.2mg tab , mupirocin oint 5 gm , mycophenolate 500 mg tab , mycophenolate sodium 180 mg tab , mycophenolate sodium 250mg tab , naphazolin , natural micronised progesterone 100 mg tab , nebivolol 5 mg tab , neomycin beclometahsone clotrimazole , neomycin polymixin bacitracin neosporin oint , neomycin polymixin bacitracin neosporin powder , nicorandil 30 mg tab , nicorandil 5 mg tab , nicotine transdermal patch 14 mg , nifedipine , nifedipine xl 30 mg tab , nifidipine 30mg tab , nintedanib 100mg cap , nintedanib 150 mg cap , oin clobetasol salicylic acid , oin clobetasole neomycin , oint acyclovir skin cream , oint betamethasone dipropianate , oint clobetasole , olanzapine 2.5 mg tab , olmesartan 20 mg tab , olmesartan 20mg hydrochlorothiazide 12.5 mg tab , olmesartan 40 mg tab , ondansetron 4 mg tab , ondansetron 8 mg tab , oral teething sol zytee mouth lotion 10ml , ornidazole 500mg tab , oxcarbazepine 450 mg tab , pancreatin 10000 iu tab , pancreatine 170 mg activated dimethicone 80 mg tab , pantoprazole 40 clarithromycin 500 amoxycilin 750 , paracetamol syp 125mg 5ml , pcm 250 mg , pentosan polysulfate sodium 100 mg tab , permethrin 5 w w tube of 30 gm , pheniramine maleat 25mg tab , phenobarbitone 30 mg tab , phenytoin sodium er 300 mg tab , povidone iodine 200 mg pessary , pramipexole 0.125 mg tab , prasugrel 5 mg tab , promethazine 25 mg tab , propranolol t r 40 mg tab , prucalopride 1 mg tab , prucalopride 2 mg tab , pyridoxin 40 mg tab , racecadotril 100 mg cap , ramipril 10 mg tab , ranitidine hcl 50 mg, amp 2 ml inj , rasagiline 1 mg tab , repaglinide 2 mg tab , respule levosalbutamol 0.31 mg , respule levosalbutamol 0.63mg //bid details 2 / 63

CTN :44855807

05 May, 2026 NA

Alwar - Rajasthan

Tender For corrigendum : supply of dabigatran 75 mg tab , biotin 10mg, iron 8mgniacinamide50mg follhair tab , daflon 500mg diosmin 450mg hesperidin 50mg tab , danazol 100 mg tab , dapagliflozin 5 mg metformin 1000 mg tab , deflazacort 12 mg tab , delivery system for salmeterol fluticasone rotacaps with pin puncture , desloratadine 10 mg tab , desvenlafaxine 25 mg tab , dettol 500 ml bottle , diclofenac paracetamol serratiopeptidase tab , diclofenac 100 mg metaxalone 400 mg tab , dicyclomin 10 mg tab , dicyclomine 20 paracetamol 500 mg tab , dienogest 2mg , diethylcarbamazine 50 mg tab , digoxin 0 25 mg tab , diltiazem 60 mg tab , divalproex sodium cr 500 mg tab , divalproex sodium sr 1000 mg tab , inj tranexamic acid , ipravent solution ipratropium bromide , isosorbid mononitrate 20 mg tab , isosorbide dinitrate 10 mg tab , isotonic nasal spary , isotretinoin 10 mg tab , isotretinoin 20 mg tab , itopride 150 mg tab , itraconazole 200mg cap , ivermectin 12mg tab , ketoconazole 2 cream , ketoconazole shampo , ketoralac 0 2 e d , ketorolac 0 4 e d , l- ornithine l asparate powder 5gm , labetalol 100mg tab , lacosamide 100mg tab , lacosamide 200mg tab , lacosamide 50 mg tab , lactobacillus 1 gm sachet , lamotrigine 100mg tab , lamotrigine 25 mg tab , lamotrigine 50 mg tab , ledipasvir 90mg sofosbuvir 400mg tab , levenorgestrol 0 25 mg ethinylestradiol 0 05mg pack of 20 tab , levetiracetam 250 mg tab , levocarnitine 330 mg tab , levocarnitine 500 mg tab , levodopa 100mg carbidopa 10mg tab , levodopa 100mg carbidopa 25mg entacapone 200mg syncapone tab , levodopa 125 mg tab , levoflox 250 mg tab , levosalbutamol 2 mg tab , levosulpride 50 mg tab , lidocaine 4 , linagliptin 2 5 mg tab , lithium carbonate prolonged r 450 mg tab , loperamide 2 mg tab , lorazepam 1 mg tab , lorazepam 2 mg tab , losartan 25mg tab , losartan 50 mg tab , losartan 50mg amlodipine 5mg tab , losartan 50mg hydrochlorthiazide 12 5mg tab , salmeterol 50mcg fluticasone propionate 500mcg accuhaler , syp liver tonic liv-52 biotin 5 mg tab, brivaracetam 100mg tab, budesonide 200 mcg rotacap, calamine lotion 100 ml, calcium acetate 500 mg tab, calcium polystyrene sulphonate sachet -k-bind, cap lansoprazole 30 clarithromycin 250 mg tinidazole 500 mg tab, cap silodol 8 mg dutasteride 0 5, cap simethicone 80 mg, capacetabine 500 mg tab, capecitabine 500mg tab, capsaicin gel tube of 20 gm, carbamazepine 100 mg tab, carbamazepine 200 mg cr tab, carbamazepine 200 mg tab, carbamazepine 400 mg cr tab, carbamazepine cr 300 mg tab, carbidopa 18 75 levodopa 75 mg entacapone 200 mg tab, carbidopa 25 levodopa 250 mg tab syndopa 275 mg, carnitine 200 mg tab, carvedilol 10 mg tab, carvedilol 12 5 mg tab, carvedilol 6 25 mg tab, cefaclor 250 mg tab, cefpodoxime 200mg clavulanate 125 mg cap, chloramphenical polymaxin b sulphate dexa eye drop 5ml bott, chlordiazepoxide 10 mg tab, chloroquine phosphate 250 mg tab, chlorpromazine 100 mg tab, cilnidipine 10 mg metoprolol 50 mg tab, cinnarizine 25mg tab, clarithromycin 250mg tab, clarithromycin 1 gel 15gm, clindamycin 1 adapalene 0 1 aloe allantoin gel tube, clobazam 10mg tab, //bid details 2 / 90

CTN :44855808

05 May, 2026 NA

Alwar - Rajasthan

Tender For corrigendum : supply of amlodepine 10 mg tab , choline salicylate 8.7 lidocaine 2 gel , gluco strip one touch select plus bott of 50 strips , levetiracetam sr 500 mg tab , paraffin soft yellow parasoft oint , povidone metronidazole oint , quetiapine 25 mg tab , quetiapine 50 mg tab , rabeprazole 20 mg tab , ramipril 5 mg hydochlorothiazide 12.5 mg tab , ramipril 2.5 mg hydrochlorothizide 12.5 mg , ranitidine 150mg tab , rasagiline 0.5 mg tab , risperidone 1 mg tab , rizatriptan 10 mg tab , rosuvastin 20 mg aspirin 75mg clopidogrel 75 mg tab , rotacap salbutamol 200mcg asthalin , s adenosyl lmethionine 200 mg tab , sacubitril 97mg valsartan 103mg tab , savlon liquid bott of 1 ltr , serratiopeptidase 10 mg tab , sertraline 50 mg tab , sevelamer 800 mg tab , sildenafil citrate 50 mg tab , silicon heel cup , simvastatin 20 mg tab , sitagliptin 50 mg tab metformin 1000 mg tab , sodium bicarbonate 1000 mg tab , solifenacin 5 mg tab , spironolactone 50 mg tab , spray melatonin , sulfasalazine 500 mg tab , sumatriptan 85 mg naproxen 500 mg tab , tab sodium valproate , tacrolimus 0.3 oint , tadalafil 20mg tab , tamsulocin 0.4 mg dutasteride 5 mg tab , taurine 500mg acetylcystine 150mg , telmisartan 20mg tab , telmisartan 40mg amlodipine 5 mg tab , telmisartan 40 mg amlodipine 10 mg tab , telmisartan 80 mg hctz 12.5mg tab , teneligliptin 20mg tab , terbinafine oint , thiamine 100mg tab , thiocolchicoside 8 mg tab , thyroxine 75 mcg tab , ticagrelor 60 mg tab , timolol maleate eye drop 0.5 bott of 5 ml , tiotropium 18mcg rotacap , tolperisone sr 150 mg tab , tolterodine 1 mg tab , topiramate 25 mg tab , torsemide 100 mg tab , torsemide 5 mg tab , tramadol 50 mg cap , tranexamic acid 500 mg mefenamic 250 mg tab , tranexamic acid 500 mg tab , triamcinolone 0.1 oral paste , trihexyphenidyl 2mg tab , trimetazidine 20 mg tab , trimetazidine mr 35 mg tab , trypsin and chymotrypsin , ubiquinol acetate 100 mg tab co q , uristick bott of 100 strip , vildagliptin 50mg tab , vit b2 5mg, vit b1 10mg , vitamin b complex , warfarin 5 mg tab , xylometazoline hydrochloride 0.1 nasel spray , zolpidem 5 mg tab //bid details 2 / 60

Central Government/Public Sector

CTN :45057871

22 May, 2026 NA

Ranga Reddy-T - Telangana

Tender For tender for supply of toluene is537-2011 , dunlop adhesive s-758 in 1 ltr pack , tri sodium phosphate ar grade , acetone ar grade , dehydrated castor oil as per is 81-1989 , tri-butyl phosphate ar grade , butyl acetate as per is 230 , ammonium bi chromate ar grade. , titanium di oxide a1 as per is 411 , chloro benzene ar grade , ethyl acetate as per is 229 , tetrabromide dipentene ar grade , o-xylene ar grade

CTN :45058093

21 May, 2026 NA

East Khasi Hills - Meghalaya

Tender For supply of pilocarpine nitrate eye solution 2 percent bott of 5ml eye drop , pilocarpine intracameral inj 0 point 5 percent pilocarpine nitrate intra ocular inj without preservatives amp of 01ml each , povidone 5 percent eye drop bott of 5ml , prednisolone acetate 1 percent w per v bott of 5ml , sodium chloride 6 percent w per w ointment tube of 3gm , sodium chloride eye drops 5 percent 5ml bott , timolol maleate eye drop 0 point 5 percent bott of 5ml , tobramycin 0 point 3 percent bott of 5ml , trypan blue 0 point 6 percent in vial of 1ml inj , bimatoprost 0 point 03 percent bott of 3ml , paracetamol 650mg tab , montelukast 10mg and levocetrizine 5mg combination tab , luliconazole 1 percent cream tube of 20gm , tab olanzapine 5mg , tab s adenosyl methionine 400mg , levodopa 250mg with carbidopa 25mg tab

CTN :45045156

11 May, 2026 99.2 Thousand

Darjeeling - West Bengal

Tender For supply of drug and pharmaceuticals products - d cfa re 21 diazepam syp 2 mg5 ml bottle of 60 ml , d cfa re 21 telmisartan 40 mg amlodipine 10 mg tab , d cfa re 21 fluticasone 005 ww cream 10gm tube , d cfa re 21 liquor formaldehyde 40 wv , d cfa re 21 isotretinoin 20 mg cap , d cfa re 21 mupirocin 2 oint tube of 5 gm , d cfa re 21 permethrin 5 tube of 30 gm , d cfa re 21 salicylic acid 3 5 and coal tar 1 3 soln bott , d cfa re 21 terbinafine 1 cream tube of 10 gm , d cfa re 21 hydroyzine hcl 25 mgtab , d cfa re 21 halobetasol propionate lotion 005 wv bottle of 30 ml , d cfa re 21 betamethasone 01 salicylic acid 3 cream 20 gm tube , d cfa re 21 isotretinoin 10mg tab , d cfa re 21 fusidic acid cream 2 ww 10 g tube , d cfa re 21 sodium hypochlorite 5 , d cfa re 21 chlorheidine gluconate solution equivalent to 4 wv with isopropanol 10 ethoylated alkylphenol , d cfa re 21 propan2ol 630 g equals 72 vol benzalkonium chloride 0025 g purified water sunset yellow dye , d cfa re 21 alcohol free 2 saturated chlorheidine gluconate cloth in a nonalkaline base 15 20 cm 1520 cm , d cfa re 21 chloroylenol solution potassium hydroide 136g chloroylenol solution 505g oleic acid75ml castor , d cfa re 21 acetazolamide 025g tab , d cfa re 21 cilnidipine 5 mg tab , d cfa re 21 heparin 10unitml 10ml injcath flush inj , d cfa re 21 eplerenone 25 mg tab , d cfa re 21 antispasmodic tab containing mefenamic acid 250 mg dicyclomine hcl 10 mg , d cfa re 21 methyl prednisolone sodium acetate 80 mg inj , d cfa re 21 ibuprofen gel tube of 20 gm ) /bid number : gem/2026/b/7490698 * /dated: 30-04-2026 & & / bid document 1 / 26

CTN :45045321

11 May, 2026 3.31 Lacs

Kangra - Himachal Pradesh

Tender For supply of lignocaine hcl 2 percent with adrenaline 1 isto 80000 inj vial of 30 ml , lignocaine hcl inj 2 percent solution with adrenaline 1 80000 in 2ml cartridge. , clotrimazole mouth paint 1percent bott of 15 ml , gum paint bottle of 15ml , edta gel for root canal preparation, tube og minimum 3.5 gms , benzocaine 20 percent pectin based oral ointment tube of 5 gm , desensitizing paste stannous fluoride potassium nitrate sodium monoflurophosphate tube of 50 gm. , chlorhexidine mouthwash 0.12 percent bott of 150 ml. , triamcinalone acetate 1percent for oral use tube of 5 gm , sodium hypochlorite 5 percent , hand gloves size 6 and half pair sterile , knife bard packer blade size 1 fitting commercial no15 packet of 6 , syringe disposable, plastic, sterile, 2 ml with needle , syringe disposable, plastic, sterile, 5 ml with needle , abrasive mounted diamond bur round 1.8mm , denture cleaner tablets pack of 30 40 tablets , denture adhesive powder bottle 10 15 gm , mirror mouth plane glass top for , napkin dental 15cm x 15cm box of 500 , plaster kalstone pkt of 1 kg , calcium hydroxide with iodoform root canal dressing of 2 to4 gms metapex , wax modeling box of 226 point 85 gm , box denture and appliance , plaster of paris special dental grade i , self cure acrylic powder pink shade bottle of 110 gm with rapid repair liquid 110 ml. , teeth acrylic cross linked set of 28 complete comprising one set each of upper and lower anterior teeth and one set each of upper and lower posterior teeth , teeth set anterior lower set of 6 , teeth set anterior upper set of 6 , syringe hypodermic cartridge type needle 35 mm long presterlised disposable pkt of 100 , material impression alginate pkt in 300 to 500gms , zinc oxide eugenolpaste pasteimpression packet of two tubes , composition impression stents pkt of 5 cakes , broach, nerve canal assorted sizes pkt of 12 , cleaner pulp canal set of 6 reamers 21 mm length size 15 40, 45 80. set of two pkts , gp points, set of 02 boxes of size15 to 40 and 45 to 80 , temporary filling material bott of 25 30gm , outfit matrix ss siqveland bands narrow for , set of six rotary niti tapered files 21 mm length with corresponding gutta percha point and paper points set complete. , k files ss size no 8 length 25 mm set of 6 , k files ss size no 10 length 25mm set of 6 , k files ss length 21 mm size no 15-40 set of 6 , h files ss size no 15 to 40 length 21mm set of 06 , surgeons mask disposable , nitrile non sterile gloves medium , normal saline bott of 500 ml , dental base base plate in box , bur diamond straight 0.2 mm , bur diamond tapered , chlorhexidine gum massage gel , dental floss , disposable paper glass cup , intra dental brush pkt of 05 , miracle mix restoration mmr , mouth ulcer gel , gic restoration posterior ketac molar , spreader 15- 40 21 mm length //bid details 2 / 45

CTN :45045476

21 May, 2026 NA

Jammu - Jammu And Kashmir

Tender For supply of re echs re 07 d d - amantadine 100 mg tab , amisulpiride 200mg tab , amisulpride 50 mg tab orodispersible , aripiprazole 10 mg tab , aspirin 75mg plus atorvastatin 10 mg plus clopid 75mg tab , aspirin 75mg plus atorvastatin 20mg plus clopid 75mg tab , atenolol 50 mg plus amlodipine 5 mg tab , tab benidipine 8 mg , betamethasone dipropionate 0 point 025 percentage w w neomycin 0 point 5 percentage w w clotrimazole 1 percentage w w cream tube of 20 g , bethanecol chloride 25 mg tab , tab bilastine 20mg , bimatoprost 0 point 03 percentage bott of 3ml eye drop , biotin 10mg tab , bisoprolol 2 point 5mg tab , tab brivaracetam 100mg , tab brivaracetam 50mg , cabergoline 0 point 5mg tab , ceritinib 150 mg cap , common cold tab cetrizine 5 mg plus paracetamol 500 mg plus pseudoephedrine 60 mg , tab chlorthalidone 6 point 25 mg , clomiphene citrate 100 mg tab , clonazepam 1mg tab , clozapine 25mg tab , tab clozapine 50mg , coenzyme q 10 100mg tab , corn cap self adhesive plaster containing salicylic acid bp 40 percentage , creatinine test kit 4x50ml , cyproheptadine 4 mg tab , ethinyl estradiol 0 point 035mg cyproterone acetate 2mg 21 tablets , dapagliflozin 10mg plus metformin 500 mg tab , diacerin 50mg tab , diclofenac 50mg plus serratiopeptidase 10mg plus paracetamol 325mg tab , tab diclofenac sodium 50 mg plus paracetamol 325 mg , diclofenac spray bott of 40 gm , tab dienogest 2mg , disodium hydrogen citrate 1 point 4 gm 5ml syp bott of 100 ml , donepezil tab 5 mg , dorzolamide 2 percentage plus timolol 0 point 5 percentage bott of 5ml eye drop , prothiadine 75mg tab dothiepin , duloxetine 30mg tab , tab eplerenone 50mg , tab escitalopram 10mg plus clonazepam 0 point 5mg , tab escitalopram 5mg plus clonazepam 0 point 5mg , tab drospirenone 3mg and ethinyloestradiol 0 point 03mg pkt of ) /bid number : gem/2026/b/7476079 * /dated: 30-04-2026 & & / bid document 1 / 71 & & ' ' /item category 21tab , evening primrose 500 mg cap , atorvastatin 10mg plus fenofibrate 200mg tab , flunarzine 5mg tab , fluvoxamine 100mg tab , fluvoxamine 50 mg tab point , ginkgo biloba 40mg tab , gliclazide 30mg mr tab , gliclazide 80mg tab , glimepride 2mg plus metformin 500mg tab , glimepride 1mg plus metformin 500mg tab , tab metformin sr 500mg plus voglibose 0 point 2mg plus glimepride 2 mg , tab glucosamine 750mg plus diacerin50mg plus msm 200 mg tab , tab diacerin 50 mg plus glucosamine 750 mg , glucosamine sulphate 750 mg plus methyl sulphonylmethasone 200 mg plus oxydents and minerals tab , gum paint 15 ml , halobetasol plus fusidic acid cream cream , ibandronate 150 mg tab , imeglimin 500mg tab , imipramine 25 mg tab , sachet lactobacillus 1 gm sachet , levosulpride 25mg tab , levosulpride 50 mg tab , linagliptin 2 point 5mg plus metformin 1000mg tab , lisinopril 5 mg tab , tab methoxsalen 10mg , methylphenidate 18 mg tab , metronidazole 1 percentage tube of 30gm , neomycin plus polymyxin plus bacitracin plus neosporin powder , pioglitazone hydrochloride 15 mg tab , tab pregabalin 75mg plus nortriptyllin 10mg , pregabalin 75 mg plus methylcobalmin 750 mcg tab , cough expectorant syp each 5 ml containing diphenhydramine hcl 14 point 08mg ammonium chloride 0 point 138 gm sodium citrate 57 point 03mg methol 1 point 14 mg in flavoured syrup base bott of 100ml , syp mucaine gel oxetacaine 10mg 5ml plus aluminium hydroxide 0 point 291gm 5ml plus milk of magnesia 98mg 5ml , cyproheptadine hcl 2 mg 5ml bott of 100 ml syp , telmisartan 40 mg plus amlodipine 5 mg tab , telmisartan 40mg plus amlodipine 10 mg tab , tenofovir alafenamide 25mg tab , tetrabenazine 25mg revocon tab , theophylline 400 mg tab , inj paliperidone 100mg , vit a d e c b1 b12 folic acid biotin menopace cap , pilocarpine 5mg tab , de ionised water , primapore 8 point 3 x 6 cm //bid details 2 / 71

CTN :45045586

11 May, 2026 NA

Kolkata - West Bengal

Tender For supply of dental consumable echs 3 d d - inj lignocaine hydrochloride injection 2percent without adrenaline bott of 30 ml , syringe hypodermic cartridge type needle 35mm long presterilized disposable box of 100 , syringe hypodermic cartridge type needle 25 mm long presterilized disposable box of 100 , desensitizing tooth paste tube of 50 gm , normal saline solution , plaster calestone , surface topical anesthetic spray bott of 100 ml , ointclotrimazole clotrimazole mouth paint 1percent , pottassium nitrate and sodium fluoride desenstizing mouth wash 150ml sensodent k , denture cleaning tablets pkt of 30 , 3percent sodium hypochlorite 500 ml , ointtriamcilone acetate 1percent kenakort , bacillol 25 bott of 250ml , root canal paste for filling endomethasone

CTN :45045608

11 May, 2026 99.8 Thousand

Darjeeling - West Bengal

Tender For supply of drug and pharmaceutical items - d cfa re 17 hydrocortisone acetate 25 mgml 5 ml inj , d cfa re 17 pheniramine maleate inj 2275 mgml amp of 2 ml , d cfa re 17 pheniramine maleate 25 mg tab , d cfa re 17 promethazine hcl 25 25 mgml 2 ml inj , d cfa re 17 levetiracetam 100 mgml inj vial of 5 ml , d cfa re 17 pyridostigmine bromide er 180mg tab , d cfa re 17 levetiracetam 100 mgml syrsolnliquid , d cfa re 17 carbamazepine syp 100 mg5 ml bottle of 100 ml , d cfa re 17 clobazam 5 mg tab , d cfa re 17 clonazepam 2 mg tab , d cfa re 17 donepezil 5 mg tab , d cfa re 17 phenytoin oral suspension containing phenytoin 100 mg 4 ml bottle of 100 ml , d cfa re 17 daclatasvir 60 mg , d cfa re 17 sodium valproate oral solution 200 mg5ml bott of 100 ml , d cfa re 17 lamotrigine 25 mg tab , d cfa re 17 lamotrigine 50 mg tab , d cfa re 17 sumatriptan nasal spray 20 mg 10 metered doses , d cfa re 17 rizatriptan 5 mg tab , d cfa re 17 nimodipine 30mg tab , d cfa re 17 budesunide 1 mg respules , d cfa re 17 carbimazole 20 mg tab , d cfa re 17 desmopressin acetate 01 mg tab , d cfa re 17 gliclazide xr 60 mg plus metformin xr 500 mg tab , d cfa re 17 hydrocortisone 5 mg tab , d cfa re 17 mycophenolate mofetil 250 mg tab , d cfa re 17 saccharomyces boulardii 250mg cap , d cfa re 17 albendazole 400mg tab , d cfa re 17 ivermectin 6mg tab , d cfa re 17 tolvaptan 15mg tab , d cfa re 17 diethylcarbamazine 50mg tab , d cfa re 17 cotrimoxazole suphamethoxazole 400 mg trimethoprim 160 mg tab , d cfa re 17 clofazimine 100mg cap ) /bid number : gem/2026/b/7489767 * /dated: 30-04-2026 & & / bid document 1 / 30

Monomer Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors

Central Government/Public Sector