providing security arrangement at intake station and water sample collection center cum rest shed at kahala at balupur ws scheme , malda mechanical division , p . h . engineering directorate , malda . , providing supervisor for supervision of security arrangement as per duty roaster furnished below i . e . from 10 a . m . to 6 p . m . - 1 ( one ) no supervisor , w . e . f . 01 . 08 . 2020 to 31 . 01 . 2021 [ minimum wages to be paid to supervisor @rs . 456 . 00 ( rupees four hundred fifty six ) only / head / day + 8 . 33% bonus . ] , providing gunman ( with arms ) for security arrangement as per duty roaster furnished below:- 3 ( three ) nos gunman , w . e . f . 01 . 08 . 2020 to 31 . 01 . 2021 [ minimum wages to be paid to each gunman @rs . 456 . 00 ( rupees four hundred fifty six ) only / head / day + 8 . 33% bonus . ] a ) evening shift -2 p . m . to 10 p . m . ( 1 no . ) b ) night shift -10 p . m . to 6 a . m . ( 2 nos . ) , providing security gurds ( without arms ) for security arrangement as per duty roaster furnished below:- 6 ( six ) nos security guard w . e . f . 01 . 08 . 2020 to 31 . 01 . 2021 [ minimum wages to be paid to each guard @rs . 387 . 00 ( rupees three hundred eighty seven ) only / head / day + 8 . 33% bonus . ] a ) morning shift -6 a . m . to 2 p . m . ( 2 nos . ) b ) evening shift -2 p . m . to 10 p . m . ( 2 nos . ) c ) night shift -10 p . m . to 6 a . m . ( 2 nos . ) , add gst @ 18%