Which of the following is the most important festival celebrated by the Muslim community in India to mark the beginning of the Islamic New Year?

Muharram

The correct answer is Option (2) - Muharram

The most important festival celebrated by the Muslim community in India to mark the beginning of the Islamic New Year is Muharram. Muharram is the first month of the Islamic calendar, signifying the start of a new Islamic year. It's considered a holy month and observed with piety and reflection.