Ark Geo Drill emerges as L1 bidder for drifts work for 700 MW Tato -II Hydro Electric Project in Arunachal Pradesh August 20, 2025 | Project Updates Ark Geo Drill Enterprise has emerged as the lowest bidder (L1) by quoting Rs 33.10 million for drifts work for the 700 MW Tato -II Hydro Electric Project. This content is restricted.