It's not just India: stock markets in places like Australia, Canada, most European markets, and the US are also closed for Good Friday as people mark the occasion worldwide.
Looking ahead, there's another market break coming up on April 14 for Dr. Ambedkar Jayanti. In total, there are 11 market holidays lined up from April onward.
And quick update: Indian indices had a good start to April with Sensex jumping 1.65% and Nifty up by 1.56%, boosted by hopes of peace in the U.S.-Iran situation.