, ▁pre ached ▁at he ism . ▁ ▁Sub hash ini ▁Ali ▁( 1 9 4 7 – ): ▁Marx ist ▁politician ▁and ▁President ▁of ▁the ▁All ▁India ▁Democratic ▁Women ' s ▁Association . ▁ ▁K anim oz hi ▁( 1 9 6 8 – ): ▁Polit ician ▁and ▁poet , ▁and ▁daughter ▁of ▁the ▁T amil ▁N adu ▁Chief ▁Minister ▁M . ▁Kar un an id hi . ▁ ▁M . ▁Kar un an id hi ▁( 1 9 2 4 – 2 0 1 8 ): ▁Ex - Ch ief ▁Minister ▁of ▁T amil ▁N adu . ▁ ▁Man ab endra ▁N ath ▁Roy ▁( 1 8 8 7 – 1 9 5 4 ): ▁Born ▁Nar endra ▁N ath ▁Bh attach ary a , ▁popular ly ▁known ▁as ▁M . ▁N . ▁Roy , ▁was ▁a ▁Beng ali ▁Indian ▁revolution ary , ▁intern ation ally ▁known ▁political ▁the or ist ▁and ▁activ ist , ▁founder ▁of ▁the ▁Commun ist ▁parties ▁in ▁Mexico ▁and ▁India . ▁He ▁later ▁den ounced ▁commun ism ▁and ▁became ▁an ▁exponent ▁of ▁the ▁philosophy ▁of ▁radical ▁human ism . ▁ ▁Bh ag at ▁Singh ▁( 1 9 0 7 – 1 9 3 1 ): ▁Fre edom ▁f ighter , ▁wrote ▁a ▁pam ph let ▁entitled ▁Why ▁I ▁am ▁an ▁at he ist . ▁ ▁H ark ish an ▁Singh ▁Sur je et ▁( 1 9 1 6 – 2 0 0 8 ): ▁Polit ician , ▁General ▁Secretary ▁of ▁the ▁Commun ist ▁Party ▁of ▁India