Sinking Of 120 M Deep Tubewell Drilling By Odex165 Method With 125 M Dia With Lch Hdpe Filter Of 30 M Length For Piped Water Supply Scheme For Suntalay Khasmahal Under Tista G.p. Kalimpong Blocki Under Neorakhola Water Supply Maintenance Division Et/07/ee/nkwsmd Of 2025-26. Sl. No. 01