Who is known as 'Nightingale of India'?

The correct answer is Option (3) → Sarojini Naidu

Sarojini Naidu (1879-1949), poet and freedom fighter, was called the “Nightingale of India” (Bharat Kokila) for the musical quality of her poems, collected in books such as The Golden Threshold and The Bird of Time. She was the first Indian woman to be President of the Indian National Congress (1925) and, after Independence, the first woman Governor of an Indian state (United Provinces).