railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) General Knowledge Modern India (National Movement )
The world's first official airmail was sent from ________ to ________ in February 1911.
1
Andhra, Delhi
2
Allahabad, Naini
3
Hyderabad, Tirupati
4
Allahabad, Agra