State-wise leading mobile network operators in India. 


> Andhra Pradesh - Airtel
> Assam - Airtel
> Bihar - Airtel
> Delhi - Airtel
> Gujarat - Jio
> Haryana - Jio
> Himachal Pradesh - Airtel
> Jammu & Kashmir - Airtel
> Karnataka - Airtel
> Kerala - Vi
> Kolkata - Jio
> Madhya Pradesh - Jio
> Maharashtra - Jio
> Mumbai - Airtel
> North East - Airtel
> Odisha - Jio
> Punjab - Airtel
> Rajasthan - Jio
> Tamil Nadu - Airtel
> Uttar Pradesh (East) - Jio
> Uttar Pradesh (West) - Jio
> West Bengal - Jio
> 
> (Source-TRAI)