1. Annual Maintenance of Bituminous Road [2nd.phase] by laying of SDBC along with ancillary works at different location in Action Area-IA, under NKDA, New Town, Kolkata. 2.Annual Maintenance of Bituminous Road [2nd.phase] by laying of SDBC along with ancillary works at different location in Action Area-IB, under NKDA, New Town, Kolkata. 3.Annual Maintenance of Bituminous Road [2nd.phase] by laying of SDBC along with ancillary works at different location in Action Area-IC, under NKDA, New