procurement of parker make hydraulic oil filters for different auxiliaries installed at chp 1 and chp 2 sstpp mppgcl dongalia distt khandwa , for chp-i: , boost pressure line filter for wagon tippler , return line filter for wagon tippler, side arm charger, apron feeder, paddle feeder , boost pressure line filter for side arm charger, apron feeder, paddle feeder , return line filter of luff of stacker reclaimer , return line filter of bucket wheel & boom conveyor of stacker reclaimer (formerly known as 4783233-622 type 400-10) , return line filter of slew of stacker reclaimer (formerly known as 4783233-621 type 250-10) , return line filter of slew of stacker reclaimer (formerly known as 4783233-620 type 160-10) , for chp-ii: , boost pressure line filter for wagon tippler main drive , boost pressure line filter for wagon tippler clamp drive , return line filter for wagon tippler, side arm charger, apron feeder, in haul wheel chock, out haul wheel chock andpaddle feeder , boost pressure line filter for side arm chargers, apron feeders main drive, paddle feeders