Ministry of Railways
2.5 hours
All India
1950-51, 1960-61,1970-71,1980-81, 1990-91,2000-01, 2010-11, 2012-13 to 2021-22
Director General of Civil Aviation
4.5 hours
Monthly
2010
Director General of Civil Aviation
4.5 hours
Monthly
2011
Director General of Civil Aviation
4.5 hours
Monthly
2011
Director General of Civil Aviation
4.5 hours
Monthly
2011
Director General of Civil Aviation
4.5 hours
Monthly
2011
Director General of Civil Aviation
4.5 hours
Monthly
2012
Director General of Civil Aviation
4.5 hours
Monthly
2012
Director General of Civil Aviation
4.5 hours
Monthly
2013
Director General of Civil Aviation
4.5 hours
Monthly
2013
Director General of Civil Aviation
4.5 hours
Monthly
2013
Director General of Civil Aviation
4.5 hours
Monthly
2015
