Asked about reports that fund-raiser dinner is at Rs 20,000 per person, Ranjan said, "modalities of this event are being worked out and it will be premature to comment about it; we are working on the modalities still."
Kejriwal who will be here from March 15 is scheduled to hold roadshow in and around Bangalore on day one, followed by public rally on March 16.
Karnataka is among the top four states in terms of offering donation to AAP.
According to AAP data, Rs 76.68 lakh was donated from Karnataka, making it the fourth highest after Delhi, Uttar Pradesh and Maharashtra.
Meanwhile, AAP sources also indicated that Balakrishnan is likely to be the party's candidate from Bangalore Central Lok Sabha constituency against the incumbent P C Mohan of the BJP. Congress is yet to announce its candidate.