How long I need to stay with an insurer to have a NCB?

[vidul]

I am looking to buy a new car and just to save some money on the car insurance premium, I would like to go for a old car first and once I am eligible for no claim bonus, I will sell this old car and buy a new car. I have a query - how long do I need to stay with an insurer to have a NCB?

[PolicyWala]

You need to stay 12 months.

[ankit123k1]

To have a NCB the minimum you need to stay with an insurer is 1 year