Tender For supply of machining assistance for gear cutting & deburring of planet pinion to drg. no. 175. 40. 138-gc-op as per , machining assistance for gear cutting & deburring of planet to drg. no. 175. 40. 139-gc-op as per scope , machining assistance for gear cutting & deburring of planet pinion to drg. no. 172. 40. 025gc-op as per , machining assisitance for gear cutting and deburring of planet pinion to drg. no. 172. 43. 006-gc-op a