Vehicle is dead after new update

I was on my way back from Whitefield to Frazer town and Stoped the vehicle for 3min, when i again turned on the ignition key and zero response and vehicle is completely dead. This happened after the new update and 1st ride 9.1.2020.

Spoke to 24/7 road side assistant and my vehicle is getting toed to IBC knowledge pak Ather. Has anyone faced the issue? And was there any successful troubleshoot helped you, kindly request you to share.
Regards Hemanth

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