The correct options are
A The people of Junagadh were keen to join India.
C Military action was taken against the Nizam of Hyderabad leading to the merging of the state.
The people of Junagadh were eager to join but after conducting a referendum, it was declared Junagadh would be a part of the Indian Union as per the will of its people. Military action was taken against the Nizam of Hyderabad and it was also merged in the Indian Union. Pakistan attacked Kashmir in 1948 C.E. and the king of Kashmir, Maharaja Harisingh officially joined the Indian Union.