Ia a'a bewakgiparangde a'ba dakani asel ongjachim. A'a ruronggipa ine masiachim contractor aro authority ba rama nirokgiparangan. Rama tarion soil ba a'a ko test kachengesa kam kaa. A'a ruronggipa ine masien ia biaprangode retaining wall aro ramani ningao drain tarina aganachim. Niamni gita Geeta gita kajaesa dake aarurongaona sokjok. Retaining wall ba protection work aro ningao tarigipa drain ba english chi aganode sub surface drain ingipako tarijaesa dake obostaona sokjok a'a rurongaona. Drain aro retaining wall kosa tarichengna nangachim unode rama bewakjawachim
