Bengaluru (Karnataka) [India], September 29 (ANI): Indian football legend Sunil Chhetri added another accomplishment to his illustrious career as he became the all-time leading goalscorer in the Indian Super League (ISL), the country’s top-tier football competition. The veteran, who was tied on 63 goals with Bartholomew Ogbeche scored his 64th ISL goal from the penalty spot as he helped Bengaluru FC record an emphatic 3-0 win over defending ISL champions Mohun Bagan SG at the Sree Kanteerava stadium on Saturday. The penalty was the 40-year-old’s 57th ISL goal for Bengaluru FC, having scored se…