The agency shared phone numbers and emails where people can report on the unidentified person, who has emerged as a prime suspect.
The Rameshwaram Cafe at Kundalahalli, where the blast occurred.
The National Investigation Agency (NIA) on Wednesday announced a cash reward of ₹10 lakh for information about the suspected bomber in the Rameshwaram Cafe blast case in Bengaluru on 1 March. On its official X (formerly Twitter) handle, the NIA posted a picture of the suspected bomber wearing a cap, mask and glasses while entering the cafe.