The Kayasthas today mostly inhabit central, eastern, northern India, and particularly Bengal. They are considered a Forward Caste, as they do not qualify for any of the reservation benefits allotted to Scheduled Castes and Scheduled Tribes and Other Backward Classes that are administered by the Government of India.

Between 1860 and 1920, the British formulated the caste system into their system of governance, granting administrative jobs and senior appointments only to Christians and people belonging to certain castes. Social unrest during the 1920s led to a change in this policy.

The vast majority of Khatris are Hindu. Most Hindu Khatris migrated to India after partition and settled in urban areas across India.

Sinha is a surname commonly used in India. Sinha surname is from the Eastern part of India]. They belong to the Kayastha community and largely populated in Jharkhand, Bihar, Uttar Pradesh, and West Bengal.

According to some accounts, they are a literate and educated class of Kshatriyas, and they have been referred to as a twice-born caste. In Bengal, Bengali Kayastha, alongside Brahmins, have been described as the “highest Hindu castes”.

The Brahmins of Mathur and Hosahalli lead a Vedic lifestyle, chant the Vedas and keep Sanskrit alive. Mathur is a tiny village on the banks of the perennial river Tunga. It is near Shimoga in Karnataka. It has a population of around 1500.

Boses belong to Kayastha caste in Bengal. The Bengali Kayasthas evolved between the 5th/6th century AD and 11th/12th century AD, its component elements being putative Kshatriyas and mostly Brahmin. Boses are considered as Kulin Kayasthas of Gautam gotra, along with Ghoshes, Mitras and Guhas.

Bose Corporation (/boʊz/) is an American manufacturing company that predominantly sells audio equipment. The company was established by Amar Bose in 1964 and is based in Framingham, Massachusetts.

In almost all Hindu families, marriage within the same gotra is not practiced (since they are believed to be descended from the same family). Marriages between different gotras is encouraged; marriage within the jaati is preferred. Gotra is always passed on from father to children among most Hindus.

Upamanyu is a rigvedic rishi. He was devotee of Lord Shiva. Lord Shiva pleased with his tapasya gave him boon & blessings. He is said to be the father or ancestor of sage Kamboja Aupamanyava referred to in the Vamsa Brahmana (1.18) of the Sama Veda.

Upadhyaya is a surname used by Brahmin community and sigifies the one who has studied ‘Upnishads’.