Yes Bocw act 1996 is applicable till the construction is not over. Your institute & the contractor both has to take Bocw registration in form 2. The contractor has to make beneficiary all the labour involved in construction. Beside this contactor has to take Workmen compensation policy.
the cess has to be paid by the principals employers that is your Institute @ 1% of the cost of construction minus the cost of land.
the contactor has to take Bocw registration. Make all his labourers beneficiary by filling form V.
had to fill form 4 to inform the labour department for start and ending of the project.
Has to maintain all CLRA records . Women register. Muster roll. Wages sheet signed by the Principal employer, OT, damages & loss, fine, advance registers.
have take safety as priority for its labourers, build rest room, seize rate toilets for male female"
if labour strength more than 250 than has to have canteen, first aid room, medical check up of all the operators,
if labour more than 500 than ambulance room and doctor visits and all the time male nurse.
its better you read the act