General knowledge

1. On september 4, 2015 Prime Minister Narendra modi release two commemorative coin of Rs 125 and Rs 10 in the memory of which person.
(a) Dr. Rajendra prashad.
(b) Mahatma Gandhi.
(c) Bhagat singh.
(d) Dr. Sarvepalli Radhakrishnan.
                      Ans: