supply of mushroom push button switch confirming to attached drg. no. dls/kzj/genl-034. , mushroom push button switch confirming to attached drg. no. dls/kzj/genl-034. each push button switc h consisting of 02 items as follows. 1) mushroom push button actuator blue complete as per m/s. bch cat no.tmh-bl or its equivalent. 2) contact block as per m/s. bch cat no.050n2 or its equivalent. note(1) firm shall quote any one make f or the tendered description along with valid authorization, if vendor offers/bids for more than one make or if the firm me ntions, as per tender in their bid(s), their offer will be summarily rejected. [ warranty period: 30 months after the dat e of delivery ] ]