1. Too much centralisation of power makes that power totalitarian and takes it towards fascist ideals. ,
2. After the record victory of 1971 elections, Indira Gandhi gained control over Congress Party and Parliament.
3. Most people suffered inflation, rising prices of essential commodities, unemployment and scarcity of food, but when their grievances were not addressed they supported JP movement.
4. To stop that movement she imposed emergency.
5. During Emergency, Democracy was put on hold.