Which one of the following statements is NOT correct?
(a) The National Song Vande Mataram was composed by Bankimchandra Chatterji originally in Bengali
(b) The National Calendar of India based on Saka era has its 1 st Chaitra on 22nd March normally and 21st March in a leap year
(c) The design of the National Flag of India was adopted by the Constituent Assembly on 22nd July, 1947
(d) The song ‘Jana-gana-mana’, composed originally in Bengali by Rabindranath Tagore was adopted in its Hindi version by the Constituent Assembly on 24th January, 1950 as the National Anthem of India
