Tender For supply of set of operating keys. each set consisting of 03 items. 1) key for panto selector switch (zpt) as p er clw drg. no. clw/es/sk-1/s-3/i, alt.c or latest.,qty-01 no, 2) reverser key complete as per ref. nos. 1 to 4 of clw drg. no. 3twd.241.001, alt.2 or latest qty-01 no. 3) bl key complete as per clw drg. no. clw/es/sk -1/s-31, alt.b or latest qty-01 no. [ warranty period: 30 months after the date of delivery ]