Conversation so far:
who is the speaker of rajya sabha in 2017
Muppavarapu Venkaiah Naidu is an Indian politician and the current Vice President of India and the Chairman of the Rajya Sabha, in office since 11 August 2017.
when is the birthday of Venkaiah Naidu
Venkaiah Naidu was born 1 July 1949.
has Venkaiah Naidu been to jail
Muppavarapu Venkaiah Naidu protested against The Emergency and was imprisoned.

Question: why was an emergency in india
Self-contained rewrite: what was the emergency that Venkaiah Naidu protested