hiring of support services for care taking and catering services at iggl transit cum bachelor accomodation at guwahati and catering services lunch at iggl office guwahati for a period of 02 years and extendable by another 06 months , item description , service charge ( including management overhead , other charges & profit , etc . ) @ . . . . . . . . . . . . . . . . % ( to be quoted ) for below items:1 ) wages for semi skilled-4 persons ( as per minimum wages fixed by govt wef 01 . 04 . 2020 ) 2 ) wages for unskilled-2 persons ( as per minimum wages fixed by govt wef 01 . 04 . 2020 ) 3 ) contribution for bonus @8 . 33% of minimum wage4 ) overtime @14% of minimum wage for working beyond 48 hours a week and 9 hours a day ( semi-skilled ) 5 ) provision for revision of minimum wages & other social security @ 20% of minimum wages for 2 years[refer annexure-i for breakup of value mention in quantity column of boq]percentage quoted ( finalized ) for two years shall be applicable for provisional extension period i . e . 06 months also