Complex sentence: He grew in stature to be the first indian artist having a displayed portrait of St. Teressa at Buckingham palace (a commissioned work) is a first class graduate from the Government College of Arts & Crafts, Kolkata.
Split into simpler sentences: He grew in stature to be the first indian artist having a displayed portrait of St. Teressa at Buckingham palace (a commissioned work). He graduated from the Government College of Arts & Crafts, Kolkata.