providing and fixing heavy duty inter locking concrete rubber mould glossy paving block of 60 mm thickness of having a strength of 400 kilogram / sq.cm of approved quality and shape on a bed of crushed sand of 25 to 30 milimeter thick at neri bk providing and fixing heavy duty inter locking concrete rubber mould glossy paving block of 60 mm thickness of having a strength of 400 kilogram / sq.cm of approved quality and shape on a bed of crushed sand of 25 to 30 milimeter thick at neri bk tal , providing and fixing heavy duty inter locking concrete rubber mould glossy paving block of 60 mm thickness of having a strength of 400 kilogram / sq.cm of approved quality and shape on a bed of crushed sand of 25 to 30 milimeter thick , providing and fixing heavy duty inter locking concrete rubber mould glossy paving block of 60 mm thickness of having a strength of 400 kilogram / sq.cm of approved quality and shape on a bed of crushed sand of 25 to 30 milimeter thick