1) During UPA 1, the 12 point agreement signed in Dilli for restoring democracy in Nepal. Decades of balancing between India & China from the Nepalese side, started shifting heavily towards China.
Bad move.
11 PM Oath ceremonies in the past 12 years. Most PMs are Communists.
Current PM KPS Oli is thriving on anti Indian feelings. Essentially a very unstable state, slipping away from India into Chinese lap.