5001862025-10-012025-12-315001862025-04-012025-12-315001862025-10-012025-12-31in-capmkt:OtherExpenses1Member5001862025-10-012025-12-31in-capmkt:OtherExpenses2Member5001862025-10-012025-12-31in-capmkt:OtherExpenses3Member5001862025-10-012025-12-31in-capmkt:OtherExpenses4Member5001862025-10-012025-12-31in-capmkt:OtherExpenses5Member5001862025-04-012025-12-31in-capmkt:OtherExpenses1Member5001862025-04-012025-12-31in-capmkt:OtherExpenses2Member5001862025-04-012025-12-31in-capmkt:OtherExpenses3Member5001862025-04-012025-12-31in-capmkt:OtherExpenses4Member5001862025-04-012025-12-31in-capmkt:OtherExpenses5Member5001862025-10-012025-12-31ItemsThatWillNotBeReclassifiedToProfitAndLoss15001862025-04-012025-12-31ItemsThatWillNotBeReclassifiedToProfitAndLoss1iso4217:INRiso4217:INRxbrli:shares500186HINDOILEXPNOTLISTEDINE345A01011HINDUSTAN OIL EXPLORATION COMPANY LIMITEDMain BoardEquity2025-04-012026-03-312026-02-132026-02-05INRLakhsQuarterlyThird quarterSingle segmentOIL AND GAS2026-02-1312:15:002026-02-1314:15:00Not applicable2025-10-012025-12-31UnauditedConsolidated7537950003726900079106400000-22074400085540001388300019899000072179800072248100068583000068583000-1361000-12812000-14173000082756000000082756000235100085107000001322593000100.630.63000.630.63Please refer to the notes to accounts section in the Consolidated Financial Results published on February 13, 2026, available at Company's website (www.hoec.com) and the stock exchange websites (www.bseindia.com and www.nseindia.com).2025-04-012025-12-31UnauditedConsolidated469042700089833000478026000000189918300017789000439310005519160002036948000454976700023049300032518700055568000010832000-4923000590900005497710000000549771000446000550217000001322593000104.164.16004.164.16Share of expenses from producing oil and gas blocks383578000Royalty, Cess and National Calamity Contingent Duty136107000Facility Operating expenses117600000Finance costs - Unwinding of discount on decommsioning liabilty28426000Other Expenses56087000Share of expenses from producing oil and gas blocks1065487000Royalty, Cess and National Calamity Contingent Duty381429000Facility Operating expenses351963000Finance costs - Unwinding of discount on decommsioning liabilty85278000Other Expenses152791000Re-measurement gain/(losses) on defined benefit plan23510002351000Re-measurement gain/(losses) on defined benefit plan44600044600000002351000446000