Assam Company India announced that ACIL has entered into an agreement dated Dec. 23, 2014, with ONGC for their investment in the Amguri field for and on behalf of Government of India (GOI).

In terms of GOI letter dated Jan. 02, 2013, ACIL will operate with 40% Participating Interest (PI) and ONGC will invest 60% for PI for and on behalf of GOI in the operation of Amguri field.

Shares of the company gained Rs 0.81, or 19.9%, to trade at Rs 4.88. The total volume of shares traded was 969,674 at the BSE (10.07 a.m., Monday).