supply of set of bio-tank mounting brackets for lhb coaches. , set of bio-tank mounting brackets for lhb coaches consisting of 02 items: 1) bracket to drg. no. cg-18118 (item no.5 of drg. no. cg-18117) & 2) bracket to drg. no. cg-18118 (item no. 10 of drg. no. c g-18117). [ warranty period: 30 months after the date of delivery ] ] , set of strengthening brackets for lhb coaches with direct mountining type bio-tank to 1) br acket drg. no.cg- 17048, alt.-1 (item no.3 of assembly drg. no.cg-18117) 2) bracket drg no. cg17060,alt. 1 ( item no. 4 of assembly drg no. cg-18117) 3) bracket drg. no. cg-17061, alt.-1 (item no.8 of assembly drg. no.cg-18117) & 4) rib drg. no. mi006818 ( item no.9 of assembly drg no. cg-18117). one set consis t of total 04 items. [ warranty period: 30 months after the date of delivery ] ]