chhandayan presents rabindra natak plays inspired rabindranath tagore celebration birth anniversary flames ecta production written directed sudipta bhawmik basanta koomar expatriate journalist india credited persons responsible popularizing nobel laureate poet rabindranath tagore fell idol's grace reasons torment biographer journalist today flames attempts re-examine relationship tagore peek human side great poet's personality mrinal's letter epic actors workshop production concept execution gargi mukherjee based rabindranath tagore's streer patra actor theater workshop west street york floor 