iso4217:INRxbrli:purexbrli:sharesiso4217:INRxbrli:shares CASTROLIND 2018-01-01 2018-12-31 2018-07-09 INR Crores Half yearly Single segment Lubricants 2018-04-01 2018-06-30 Unaudited Standalone 10172000000.00 173000000.00 10345000000.00 4509000000.00 645000000.00 19000000.00 525000000.00 3000000.00 132000000.00 1957000000.00 7790000000.00 2555000000.00 0.00 2555000000.00 932000000.00 -19000000.00 913000000.00 0.00 1642000000.00 0.00 0.00 0.00 1642000000.00 0.00 1642000000.00 0.00 0.00 0.00 0.00 4946000000.00 5 1.66 1.66 0.00 0.00 1.66 1.66 2018-01-01 2018-06-30 Unaudited Standalone 19443000000.00 401000000.00 19844000000.00 8632000000.00 1125000000.00 -290000000.00 994000000.00 10000000.00 275000000.00 3722000000.00 14468000000.00 5376000000.00 0.00 5376000000.00 1952000000.00 -36000000.00 1916000000.00 0.00 3460000000.00 0.00 0.00 0.00 3460000000.00 0.00 3460000000.00 0.00 0.00 0.00 0.00 4946000000.00 5 3.50 3.50 0.00 0.00 3.50 3.50