How Gaganendranath Tagore is related to Abanindranath Tagore?

NCERT (2026-27): “Pan-Asianism and Modernism …For the first time, Indian artists and the public had a direct encounter with modern art of this kind. It is in the paintings by Gaganendranath Tagore, brother of Abanindranath Tagore, that the influence of modern western style of paintings can be clearly seen. He made several paintings using Cubist style, in which building interiors were created out of geometric patterns. Besides, he was deeply interested in making caricatures, in which he often made fun of rich Bengalis blindly following the European style of living.”