There are near to fifteen holidays in year 2012 in NSE ( National Stock Exchange, India).
January 26, 2012 Thursday Republic Day
February 20, 2012 Monday Maha Shivratri
March 08, 2012 Thursday Holi
April 05, 2012 Thursday Mahavir Jayanthi
April 06, 2012 Friday Good Friday
May 01, 2012 Tuesday May Day
May 06, 2012 Sunday Buddha Purnima
August 10, 2012 Friday Krishna Janmastami
August 15, 2012 Wednesday Independence Day
September 19, 2012 Wednesday Ganesh Chaturthi
October 02, 2012 Tuesday Mahatma Gandhi Jayanthi
October 24, 2012 Wednesday Vijaya Dashami
November 13, 2012 Tuesday Diwali
November 28, 2012 Wednesday Guru Nanak Jayanthi
December 25, 2012 Tuesday Christmas
NSE is an Indian stock exchange. It also called it Nifty 50 or Nifty.