Oil & Natural Gas Corporation Ltd has received Consent to Establishment & Operate from the State Pollution Control Board for drilling an exploratory well, designated MSAF, at Arthamuru village, Bantumilli Mandal, Krishna District, Andhra Pradesh, with a project cost of Rs. 1000 Million. The onshore development well is intended for production of oil and gas with a capacity of 50,000 m3/day, spread over a site area of 28,813 sq. mts. surrounded by agricultural land. The project follows environmental clearance issued by SEIAA, A.P. dated 18.04.2026. The facility is expected to involve drilling rigs, mud circulation and mobile Effluent Treatment Plant (ETP) with grit chamber, oil & grease separator, flocculating chamber, multimedia filter and RO plant for wastewater treatment, HDPE-lined pits for drill cuttings and mud disposal, DG sets (4 X 1430 KVA) with silencers and acoustic enclosures for power backup, flare stack for gas flaring during testing, Blow Out Preventer (BOP) system for well control, and garland drains for containment of contaminated run-off, consistent with standard onshore oil exploration infrastructure.