He learnt Hindustani classical music on sarod from the Senia gharana master Ustad Keramatullah Khan.
He could accurately play the gatkari styles of sitar and sarod on the violin and spent the rest of his life with this instrument.
[2][3] Gagan Chandra Chatterjee played extensively in music conferences of his time.
He used to play the complete alaap-jor-jhala of Hindustani classical music which was heard only on sitar and sarod prior to him.
Although Gagan Chandra Chatterjee inspired many musicians across instruments, he did not leave behind many students.