supply of supply of bellows set consisting of 1no. of supply air bellow, 2 nos. of fresh bellows and 02 nos of return air bellow ducts made of meta aramid/para aramid fabric with silicon rubber coating on both sides for lhb eog/hog type ac coaches as per rdso. specn. no. rdso/pe/spec/ac/0197-2020 scope of the supply as per clause no.2 of the above specification test certificate from any central government laboratory or nabl accredited for bellow material shall be submitted.supply of bellows set consisting of 1no. of supply air bellow, 2 nos. of fresh bellows and 02 nos of return air bellow ducts made of meta aramid/para aramid fabric with silicon rubber coating on both sides for lhb eog/hog type ac coaches as per rdso. specn. no. rdso/pe/spec/ac/0197-2020 scope of the supply as per clause no.2 of the above specification test certificate from any central government laboratory or nabl accredited for bellow material shall be submitted.,supply of bellows set consisting of 1no. of supply air bellow, 2 nos. of fresh bellows and 02 nos of return air bellow ducts made of meta aramid/para aramid fabric with silicon rubber coating on both sides for lhb eog/hog type ac coaches as per rdso. specn. no. rdso/pe/spec/ac/0197-2020 scope of the supply as per clause no.2 of the above specification test certificate from any central government laboratory or nabl accredited for bellow material shall be submitted.