Retro of JJM Sch/S.H. Qlty improv of RWS sch by constr of 05 Nos. 10000/7500/5000 GPH capacity package type IRP attach to exist DTW in/c const of P.H at Durparai P.,Twisama P.-I,Richai Mog P.,Naraiha P.,Nibaran P. DTW Sch undr DWS S/D KBK drng 21-2