Question

who was fast pranmister

Answer 1

The first prime minister of India is Jawaharlal Nehruwas sworn-in on 15 August 1947, when India gained independence from the British. 

Answer 2

Sir Robert Walpole was the first P.M who led the government of great Britain.
And the first P.M. of independent India was Jawaharlal Nehru.
Hope it'll be helpful.