Nonsense. Anything that endangers the safety and security of state is an emergency. If a terrorist blows up a nuclear bomb, automatically India will go into a state of emergency.
Mamta is doing internal armed rebellion. mamta+ corona= maro na.
The Tools to tackle Bengal like situation are different
1 President Rule
2 Disturbed Areas Act AND AFSPA
But since her Govt is a newly elected one, these measures won t be taken immediately
Rather let the Media coverage and Judiciary's Intervention happen first