zone-b2(b): zonal piece work contract - execution of civil engineering worksand supply of materials including cement and reinforcement steel in seniorsection engineer/ works/a and b ponmalai sections (diesel loco shed, dttctraining centre &hostel building, t&p and rcc depot) in tiruchchirappallidivision for the period from 01.07.2021 to 30.06.2022