Step 1: Concept
The Indian National Flag, also known as the Tricolour or Bhagwa Dron, consists of three horizontal stripes of equal width - saffron at the top, white in the middle, and green at the bottom. The wheel in the centre is called Ashoka Chakra and has 24 spokes.
Step 2: Meaning
The flag symbolizes the principles of secularism, democracy, and unity in diversity that India stands for. Each color and element on the flag carries a specific meaning related to Indian culture and values.
Step 3: Analysis
Sister Nivedita was an Irish-born Theosophist who contributed significantly to Indian education and social reform but did not design the national flag.
Rabindranath Tagore, renowned poet and philosopher, wrote "Jana Gana Mana" which became India's national anthem. He also composed other patriotic songs but was not involved in designing the flag.
E.V. Ramaswamy, known as Periyar, was a social reformer who advocated for self-respect movement and vegetarianism. He did not design the Indian National Flag.
Pingali Venkayya designed the first official version of the Indian National Flag in 1921. The flag had a white stripe with Ashoka Chakra in the centre. It was later modified by Pingali Venkayya himself to its current form, which was adopted on July 22, 1947.
Step 4: Conclusion
Pingali Venkayya played a crucial role in designing the Indian National Flag and its evolution over time.
Final Answer: (B)