Ambashtha Kayastha — History, Origin & Famous Ambashthas

Ambashtha (अम्बष्ठ), also written Ambastha, is a Chitraguptavanshi Kayastha sub-caste found mainly in Bihar and Jharkhand. In Kayastha tradition the Ambashtha vansh descends from Himvan, a son of Bhagwan Shri Chitragupta and Devi Shobhavati.

The name is very old. The Mahabharata mentions a warrior people called the Ambasthas, living in the north-west of the subcontinent, who fought in the Kurukshetra war. Some old law books use the word in a different sense, so the name has more than one history.

• From the north-west to Bihar — according to historian Bindeshwari Prasad Sinha, the ancient Ambasthas migrated to Bihar, where they became a sub-division of the region’s Kayasthas; Bihar was not their first home.
• An educated service community — with the Srivastavas, Saxenas and Bhatnagars, the Ambashthas were by 1900 counted among the most educated and influential Kayastha groups of North India.
• Bihar’s public life — Ambashtha families have long served Bihar as lawyers, teachers, zamindari officials and administrators.

Patna, Gaya, Muzaffarpur, Bhagalpur, Darbhanga, Ranchi, Dhanbad, Jamshedpur and Kolkata have large Ambashtha communities. Many Ambashtha families write Sinha, Prasad, Sahay or Varma as their surname, so the up-jaati is often known only inside the family — worth writing down for the children.

Ambashtha families share the customs of all Chitraguptavanshi Kayasthas:

• Chitragupta Puja (Yama Dwitiya) — on Kartik Shukla Dwitiya, the day of Bhai Dooj, the family worships Bhagwan Shri Chitragupta with pen, ink and account books. See the full Kalam-Dawat Puja vidhi and why it falls on Bhai Dooj.
• Resting the pen — in many Ambashtha homes the pen is not used from Diwali evening until the puja, and writing begins again with the yearly account written before the Lord.
• Love of learning — education, writing and public service have always been the pride of the vansh.
• Marriage — traditionally within the Chitraguptavanshi Kayastha samaj; today families match horoscopes, education and values more than the exact up-jaati.

Kuldevi: the family goddess differs from one Ambashtha family to another — there is no single kuldevi for the whole vansh. Ask the eldest members of the family or the family priest, and write it down for the next generation.

Gotra: gotras are passed down inside each family and are not the same for every Ambashtha. Families that do not know their gotra traditionally take Kashyap gotra, a common Hindu custom.

Few people with the Ambashtha surname have their own Wikipedia article yet, so we are building this list carefully, from verified sources only. Know a notable Ambashtha — a freedom fighter, scholar, officer, artist or sportsperson? Write to us and we will add them.

Many more well-known Ambashtha families serve in medicine, law, the armed forces, teaching and business. See also the Legends of the Kayastha community.

Searching for Ambashtha Kayastha families, a Ambashtha rishta or relatives you have lost touch with? On Kayastha Setu you can add your up-jaati (Ambashtha / अम्बष्ठ) to your profile, search the family directory by surname and city, look for matches in Kayastha matrimony, and record your lineage in the family tree — starting from Bhagwan Shri Chitragupta ji himself.

All twelve vansh trace back to the twelve sons of Bhagwan Shri Chitragupta. Read the story of each one — or the complete Kayastha community guide and Chitragupta ji’s 12 sons.

History here follows Kayastha tradition and published sources. Lineage stories differ from family to family, and a surname alone never tells anyone’s community — every family knows its own roots best. Spotted something to correct or add? Write to support@kayasthasetu.com.

• Ambashtha — Wikipedia
• Kayastha — Wikipedia
• Chitraguptavanshi Kayastha — Wikipedia