Ubaidullah was born on 10 March 1872 in a Sikh Khatri family in the district of Sialkot, Punjab, British India as Buta Singh Uppal.
Ubaidullah's birth details and background are provided: he was born on March 10, 1872, into a Sikh Khatri family in Sialkot, Punjab, British India. This information is consistent with his identity as Buta Singh Uppal.