Airtel — 4g network not available in roaming

Address:

Kurukshetra, Haryana, 136119

For the past one month or so i am not able to use 4g network on my airtel number. As my home network is uttarakhand and i stay in haryana (136119) but i am not able to use the 4g ntwork.
So kindly help me i resloving the issue as it is becoming difficult to use internet services.
Do i need to swap my sim, do inform and would i be able to get it swapped here in the roaming area of haryana.
Thank you