Correct option is A
A. The Nawab of Tonk, Md Ali Khan resigned in favor of his son in 1867, after being found guilty of misconduct.
B. The Gaekwad of Baroda, Malhar Rao, was accused of attempting to poison the British Resident in 1875. This led to his deposition in 1875.
C. A British Resident was imposed on the Maharaja of Kashmir around the 1880s, as part of increasing British intervention in princely states.
D. The Maharaja of Kashmir was forced to resign in 1885, and a Council of Regency took over the administration.
E. The Government of India intervened in Manipur in 1891, after the execution of British officers and disturbances in the region.
So the chronological order is: A, B, C, D, E, which matches option (a).