When was India declared Polio free?

Correct option is A

Sol. India was declared Polio-free on 27th March 2014 by the World Health Organization after three years without any case. It was a major public health achievement driven by the Pulse Polio Immunization Program and massive community involvement.
Explanation of each option:
· (a) 27th March 2014 – Correct. This is the official date of India’s polio-free certification by WHO.
· (b) 27th March 2019 – Incorrect; the declaration was already made five years earlier.
· (c) Not yet declared – Wrong, as India’s polio-free status is globally recognized since 2014.
· (d) 27th March 2020 – No polio-related milestone happened on this date in India.