Verma is a common surname for people found in Northern parts of India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, especially among members of Kayastha

Kayastha

Kayastha or Kayasth or Kayeth is a caste or community of Hindus originating in India. Kayastha means "scribe" in Sanskrit, and has traditionally denoted members of the writer caste....

, Kshatriyas, Rajputs, Jats  and Mair kshatriyas

Mair kshatriyas

Mair Kshatriyas have their ancestry in the the Lord Brahama dynasty king Ajmenid. According to Bhagvata and Vishnu Puran, Medes or Mair Kshatriyas are one of the oldest warriors of Aryan origin...

 caste of Hindus. Verma (Varma), meaning “shield” is a word of central Asian origin and was originally surname for warriors. The ancient fact behind of this is from ‘Parashar Grahe Sutra’ that ‘Verma’ is a very old title of Aryans Royal Medes Kshatriyas , and that this title gone outside from India to all over world and central Asia.

It has been mentioned in medieval literature of India that Rajput Kshatriyas or the Kshatriyas who chose not to carry the duties of a Kshatriya warrior community by character or physicality were employed in other professions and businesses mostly in Metallurgy related work.