tran query

Tran 1 is only for taking input tax credit from earlier VAT or service tax or central excise. not during GST regime

As per your query, No need to file TRAN 1.
Your excess ITC of march 18 is already carried forwarded to next month.

sir I have filed tran 1 regarding transitional credit of vat . that credit was reflecting electronic credit ledger. but at the time of filing of July month gstr3b return again I have taken 50% of cgst and 50% sgst .then after electronic credit ledger amount was increasing.that time I understood wrongly taken.now what is the rectification