Conversation so far:
What happened a Tagore twilight years?
Fifteen new volumes appeared, among them prose-poem works Punashcha (1932), Shes Saptak (1935), and Patraput (1936).
Which names are worth mentioning as a contribution to this part of his life?
earthquake hit Bihar and killed thousands.
Gandhi hailed it as seismic karma, as divine retribution avenging the oppression of Dalits.
Tagore rebuked him.
Are there any other interesting aspects about this article?
Tagore's remit expanded to science in his last years, as hinted in Visva-Parichay, a 1937 collection of essays.
Did he win any award or recognition?
CANNOTANSWER.
What are the major things that he did in his last years?
He wove the process of science, the narratives of scientists, into stories in Se (1937), Tin Sangi (1940), and Galpasalpa (1941).

Question: What did he do after that?
Self-contained rewrite: What did Rabindranath  Tagore do after 1941?