Sehgal is a family name

Family name

A family name is a type of surname and part of a person's name indicating the family to which the person belongs. The use of family names is widespread in cultures around the world...

, originally from the Punjab region

Punjab region

The Punjab , also spelled Panjab |water]]s"), is a geographical region straddling the border between Pakistan and India which includes Punjab province in Pakistan and the states of the Punjab, Haryana, Himachal Pradesh, Chandigarh and some northern parts of the National Capital Territory of Delhi...

 in South Asia

South Asia

South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

. Variant spellings include Sahgal, Saigal, Saihgal, Saigol and Sehgol. It is mostly used by members of the Khatri

Khatri

Khatri is a caste from the northern Indian subcontinent. Khatris in India are mostly from Punjab, region but later they migrated to regions like Rajasthan, Uttar Pradesh, Delhi, Jammu, Uttarkhand, Himachal Pradesh, Gujarat, Madhya Pradesh, Haryana, Balochistan, Sindh and Khyber...

 / Kshatriya

Kshatriya

*For the Bollywood film of the same name see Kshatriya Kshatriya or Kashtriya, meaning warrior, is one of the four varnas in Hinduism...

 community.
"Referred to as Gandhara and Vahlika in ancient Hindu-Buddhist scriptures, Hinduism (Saivite) and Buddhism (Mahayana) were the dominant faiths of the ancestors of present day Pathans inhabiting the Eastern and Southern parts of Afghanistan, before the advent of Islam.