Chhattisgarh, May 26 (ANI): Congress paid homage to its departed leaders on the first anniversary of the Maoist attack that killed a convoy of the party's men in the red corridor of Darbha Valley in the Sukma district of Chhattisgarh. On May 25, the first anniversary of the brutal attack, Congress leaders paid homage by organizing a special prayer session. Scores of rebels had trapped the convoy in a forest in the Bastar region of Chhattisgarh, on May 25 in 2013 when the Congress politicians were returning from a rally.