The meeting would be attended by party president Sonia Gandhi, Vice-President Rahul Gandhi along with all senior leaders and union ministers. Prime Minister Manmohan Singh will not be able to attend the meeting as he will be leaving for Japan.
Party General Secretary Janardhan Dwivedi said the prayer meeting at the party headquarters at 24, Akbar Road here is not only for Congress leaders but all those killed in the naxal violence there.
Rahul visited Chhattisgarh in the wee hours today and termed the attack as an attack on democracy.
Heavily-armed Maoists ambushed a convoy of Congress leaders in Chhattisgarh's Bastar district yesterday, killing 27 people including Congress leader Mahendra Karma, ex-MLA Uday Mudliyar, state unit chief Nand Kumar Patel and his son. 32 others, including Shukla, were injured in the attack.