ANSWER: 2,3
Explanation:
The awards are given by the Ministry of Home Affairs on Hindi Diwas for progressive use of Hindi in government. Ministry of Home Affairs has changed name of two awards given annually on Hindi Diwas. 'Indira Gandhi Rajbhasha Puraskar' instituted in 1986 changed to 'Rajbhasha Kirti Puraskar' and 'Rajiv Gandhi Rashtriya Gyan-Vigyan Maulik Pustak Lekhan Puraskar' changed to "Rajbhasha Gaurav Puraskar".