Advisory No. 022021 dated 03032021 by DGS Bangalore for tracking of Legacy Arrears using DRC 07A and DRC 08A is released. Circular on Clarification on refund related issues CENTRAL EXCISE - PETROLEUM SECTOR-TAXPAYERS 1. Kindly Clear Cache memory, Temporary Files, History and Do Fresh Login and THEN START efiling of CE Return ER1 filing activity . 2.