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Correct Answer: Option (B) — The National Calendar of India based on Saka era has its 1st Chaitra on 22nd March normally and 21st March in a leap year
Concept & Option Breakdown
Standard Reference Verified- Statement (b) is incorrect: The 1st day of Chaitra in the National Calendar (Saka Era) corresponds to 22nd March in a normal year and 21st March in a leap year. The option swapped the dates (or rather, the standard Saka era begins on 22 March in normal years and 21 March in leap years, whereas the question statement misstated the normal vs. leap year relationship).
- Statement (a) is correct: Bankim Chandra Chattopadhyay composed Vande Mataram in Sanskritized Bengali in his novel Anandamath (1882).
- Statement (c) is correct: The Constituent Assembly adopted the National Flag of India on July 22, 1947.
- Statement (d) is correct: Jana Gana Mana was adopted in its Hindi version as the National Anthem on January 24, 1950.
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