skilled / semiskilled / unskilled workers skilled / semiskilled / unskilled workers avilable for office arrangement in district and block level office , laying and jointing pvc pipe . heading , wages payable per skilled worker per month ( as per minimum wages ) ( in rs . ) , wages payable per semiskilled worker per month ( as per minimum wages ) ( in rs . ) , wages payable per unskilled worker per month ( as per minimum wages ) ( in rs . ) , esi employees contribution ( %only ) , esi employer contribution ( %only ) , epf ( if applicable ) employees contribution ( %only ) , epf ( if applicable ) employer contribution ( %only ) , service charges per worker ( in rs . )