Construction Of Additional Class Room & Toilet At Elementary School In District Of Patna West (Block- Bihta, Bikram, Danapur, Dhanarua, Dulhinbazar, Maner, Naubatpur, Paliganj, Patna Sadar (Rural & Urban), Phulwari Sharif, Punpun, Sampatchak, Masaurhi, Paliganj) Group No- Bp-22B