supply and deployment of armed and unarmed security guards for safety and security of terminals under schedule- b ( varanasi , prayagraj , ris base station ramnagar ( uttar pradesh ) and sahibganj ( jharkhand ) , schedule-b , biddder to quote its service charge for providing satisfacory service . the minimum service charge should be 2% . however those bidder quoting less than or equal to the minimum service charge , bid will be treated as unresponsive and will not be considered ( kindly go through form fin-3: details of cost-boq ) , armed guard ( 9x07 months ) , unarmed guard ( 9x07 months )