Wikipedia
Bartwal is a North Indian Garhwali Rajput surname.
Bartwal name is mostly used in the State of Uttarakhand. It is believed to be originally derived from Rajasthan & Madhya Pradesh & Gujarat-( pls read "Rajputs of Himalayas").
Men of Bartwal clan often use "Singh", in a traditional way, by having it as a middle name after the first name. For example : Vijay singh Bartwal.... Women of Bartwal clan used to add "Kumari" as a middle name when unmarried & "Devi" after marriage, but do not add anymore (Villages still follow traditionally). Marriages are usually held within region of uttarakhand, but now due trend of getting married to rajputs of other states like shekhawats ( of rajasthan), sinh (of Gujarat) has started.They are apparented to the Bhardwaj gotra, as well as the Barthwal ( Brahmin).
As: Maanpuri Bartwal in village Phalasi Rudraprayag. example name : Ajeet Singh Bartwal, Aagastya Bartwal