TTAS or ttas Domestic or Non-metered customer: Grahok Sonket Number mentioned on the bill book. TITAS Gas Transmission & Distribution Company Ltd. Customer can pay the bill after due date but amount will be Total if paid after due date Sample Bill copy of DESCOĥ 4. After due date: Total if paid after due date mentioned on the top left side of the bill copy. On or before due date: Total Bill mentioned on the bottom right side of bill copy. mentioned on the left side of the bill copy 2 nd line after name & address. mentioned in the 4 th line on the top right side of the bill copy 1 st 4 digits of Bill No.
