SEAMEC Ltd announced a revision of its credit ratings, informing the BSE Limited and National Stock Exchange of India Limited that CRISIL Ratings (CRISIL) has reaffirmed the Long Term Rating to Crisil A+/ Stable and the Short Term Rating to Crisil A1 for bank facilities, with a total of Rs. 883 Crore (enhanced from Rs. 863 Crore) rated; this includes Long Term Rating Crisil A+/ Stable and Short Term Rating Crisil A1 for bank facilities, with no other rating agencies mentioned and no withdrawals or new assignments reported.