supply installation commissioning of community based integreted mini arsenic and iron removal plant airp with solar pumps set fitted tube well , capable of removing contaminants such as iron arsenic bacteriological disinfection from raw water a , supply , installation , commissioning of community based integreted mini arsenic and iron removal plant ( airp ) with solar pumps set fitted tube well , capable of removing contaminants such as iron , arsenic , & bacteriological disinfection from raw water as per acceptable limits of is 10500:2012 ( 2nd revision ) including sinking of 100mm x 50mm dia tube well with 12 ( twelve ) months operation & maintenance including 3 months free trial run at pin pointed site shikarpur karmatirtha in shikarpur g . p . under karimpur-i dev . block in the district of nadia under msdp fund .