Citywise data is not correct for Tamilnadu

[NarmadhaN]

Describe the bug
City wise data shows areas inside Chennai as city. Eg., Westmambalam. And district wise data and citywise data is not tallied in tamilnadu

Anna nagar and broadway in Chennai are shown as seperate city.
And most of the cases are shown under unknown.

Smartphone (please complete the following information):

• Device: Andoird phone

Additional context