though it counts as breach of contract, a mandate can be paused in the UPI application also.
Please refer to bank customer care for penalties in that case. I am not liable. Also consider calling zerodha with your support code handy.
Mandate cancellation only works before T minus 2 days from mandate day. Coin Mandate modification in the 2 day window can place duplicate orders - #4 by foobar If you modify it within 2 days somehow, there can be duplicate orders.