"Kolkata has excelled in ICSE and ISC, 2015 results published today. Saugato Chowdhury of St. Xavier's Collegiate School has topped in ICSE. Arkya Chatterjee of Vivekananda Mission School has topped in ISC Examination," Banerjee said tweet.
"My congratulations to both of them and to all the students who have cleared the examinations successfully. My heartiest greetings and best wishes to all of them, their parents, teachers and well-wishers," Banerjee said on Twitter.