Q: Which one of the following statements is NOT correct?

• 1
  The National song Vande Mataram was composed by Bankim Chandra Chatterje originally in Bengali
• 2
  The National Calender of India bases on Saka era has its 1st Chaitra on 22 nd March normally and 21st March in a leap year./
• 3
  The design of the National Flag of India adopted by the constituent Assembly on 22nd July, 1947
• 4
  The song ‘jana-gana-mana’ composed originally in Bengali by Rabindra Nath Tagore was adopted in its hindi version by the constituent Assembly on 24th January, 1950 as the National Anthem of India