They are not Jatt, they are RamGarhia caste, Gahir is a subcasste of the RamGrahia caste
no
Ramgarhia / Tarkhan.
Virdi is a Ramgarhia surname
Yes, it belongs to the Ramgarhia caste of Punjab, a carpentry and blacksmith sikh community
Virdi is a jatt caste.
Higher than Jatts
Yes whenever a dhiman adopt sikhism he is considered as ramgarhia.Both castes are same.
They are general caste in punjab
There is no caste system in Sikhism, a person born in a Sikh family is only a Sikh. Community's like Jatt, Ramgarhia etc are all man made..
Salgotra's are Vaidhik Brahman / Dhiman Brahmans mostly found in Punjab and jammu region.
No virdi or birdi is not scheduled cast Birdi surname belongs to Ramgarhia