This mobile operator known as Airtel is both good and bad
Good Aspects -
Good voice quality while Calling
Good coverage area
Customer care centres in almost every city
Good Internet speed at night
Bad Aspects -
Slow Internet speed at day time
Network lags everytime
Most Expensive from any other operators.
Higher recharge rates
Bad offers for customers
I personally suggest that if you are an indian dont go for airtel just go for jio or idea because there plans are cheaper and Good network than airtel or You can choose airtel in some areas where its signals are good