Brown Rock Chat/ Indian Chat ??

[Dr Ajay Kumar Singh]

Please provide the id of this beautiful bird. The photograph was taken in the grassland of Dhikala, Jim corbett.

Canon 7D, 420mm, f/4, 1/2500, iso 400

Thank you.

[Mrudul Godbole]

Looks like a brown rock chat. Is the vent white? Not sure.