LUCKNOW, July 7 -- The investigation into the sprawling international cyber fraud syndicate operating from Lucknow's Summit Building has gathered pace, with the Crime Branch announcing a Rs.25,000 reward on absconding kingpin Vineet Kumar Vishisht and dispatching eight members police team to West Bengal to track him down.

Sources said Vineet has remained on the run ever since Lucknow Police dismantled what investigators have described as a "Mini Jamtara"-a sophisticated cyber fraud hub allegedly linked to transnational criminal networks-by arresting 119 people during a massive raid on the Summit Building in Lucknow on July 1.

According to senior police sources, Vineet is believed to be the principal link between cyber fraud gangs based ...