ATMASTCO2026-04-012026-06-30ATMASTCO2026-06-30ATMASTCO2026-04-012026-06-30in-capmkt:OtherExpenses1MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-06-30in-capmkt:ReportableSegments1MemberATMASTCO2026-04-012026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-06-30in-capmkt:ReportableSegments2MemberATMASTCO2026-06-30Statement1ATMASTCO2026-04-012026-06-30Statement1ATMASTCO2026-06-30StatementDynamic1I1Statement1ATMASTCO2026-06-30StatementDynamic1I2Statement1ATMASTCO2026-06-30StatementDynamic1I3Statement1iso4217:INRxbrli:pureiso4217:INRxbrli:shares000000ATMASTCONOTLISTEDINE05DH01017ATMASTCO LIMITEDSMEEquity2026-04-012027-03-312026-08-142026-08-11INRLakhsQuarterlyFirst quarterMulti segment2026-08-1419:30:002026-08-1421:15:00Not applicabletrue1falseNo default has not been occured during the reporting quarter2026-04-012026-06-30UnauditedStandalone426782000220400042898600016220400003265400039385000354660007505000117203000394417000345690000345690000345690009263000-5500008713000258560000002585600025856000261583000101.041.03Other Expenses117203000MANUFACTURING/FABRICATION211382000SERVICES2154000004267820000426782000MANUFACTURING/FABRICATION35500000SERVICES314820006698200024908000750500034569000MANUFACTURING/FABRICATION2231929000SERVICES1922866000415479500004154795000MANUFACTURING/FABRICATION1266272000SERVICES1095915000236218700002362187000Preferential Issues2026-06-243018840002026-06-30falsefalsefalseNo comment, since no devaitionAuditor has given utiliasation certificateSUBRAMANIAM SWAMINATHAN IYERManaging DirectorBHILAI2026-08-19WORKING CAPITAL FOR ATMASTCO DEFENCE PVT LTD0163027000000WORKING CAPITAL FOR ATMASTCO LTD-EPC AND FABRICATION01086710000698140000GENERAL CORPORATE PURPOSE0301860000301860000