The Bania (also spelled Baniya) is a Vaishya community mainly found in Indian states of Gujarat, and Rajasthan,Madhya Pradesh  but they are also found in Madhya Pradesh. Haryana, Punjab, Chandigarh, Delhi, Himachal Pradesh, Uttarakhand, and Uttar Pradesh, Traditionally, the main occupations of the community are merchants, bankers, money-lenders, and in modern times they are mostly White-collar and Knowledge workers and owners of commercial enterprises.  
The community is composed of several sub-castes including the Gahoi , Agarwal Banias, Maheshwari Banias, Porwal Banias, among others.  Most Banias follow Hinduism or Jainism, but a few have converted to Sikhism, Islam, Christianity and Buddhism.    Most of Hindu Banias are Vaishnavas and are followers of Vallabhacharya and Swaminarayan. 
The derives from the Sanskrit word vanik.   In Bengal the term Bania is used to indicate people who are moneylenders and indigenously developed[ clarification needed ] bankers, without respect to caste. 
Hindus are people who religiously adhere to Hinduism. Historically, the term has also been used as a geographical, cultural, and later religious identifier for people living in the Indian subcontinent.
Kamma is a Hindu caste from South India. The community of Kammas is believed to have originated from agriculturists of the Kammanadu region of the Guntur and Prakasam districts in Andhra Pradesh. Propelled by their military activity in the Vijayanagara Empire, Kammas are believed to have spread out from the region during the Vijayanagara period, followed by some in-migration during the British period and out-migration again during the twentieth century. Today they are regarded as the richest group in Andhra Pradesh and are a dominant caste from Coastal Andhra with socio-economic and political prominence throughout the Telugu-speaking regions of India.
Brahmin is a varna as well as a caste within the Hindu society. In Vedic- and post-Vedic Indian subcontinent, Brahmins were designated as the priestly class as they served as priests and spiritual teachers. The other three varnas are the Kshatriya, Vaishya, and Shudra.
Varṇa, in the context of Hinduism, refers to a social class within a hierarchical caste system. The ideology is epitomized in texts like Manusmriti, which describes and ranks four varnas, and prescribes their occupations, requirements and duties, or Dharma.
Khatri is a caste/clan of the Indian subcontinent that is predominantly found in India, but also in Pakistan and Afghanistan. In the subcontinent, they were mostly engaged in mercantilistic professions such as banking and trade, they were the dominant commercial & financial administration class of Late-Medieval India some in Punjab often belonged to hereditary agriculturalist land-holding lineages, others were engaged in artisanal occupations such as silk production and weaving while some were scribes learned in Sanskrit and Persian too
Bhatia is a group of people and a caste found in Punjab, Sindh and Gujarat. Traditionally, they have been a trading and merchant community. The Bhatias primarily live in Northwestern India and Pakistan. The Bhatias, Lohanas and Khatris were similar communities and were known to intermarry. The Bhatias recruit Saraswat Brahmins as priests.
Dalit, also previously known as untouchable, is the lowest stratum of the castes in India. Dalits were excluded from the four-fold varna system of Hinduism and were seen as forming a fifth varna, also known by the name of Panchama. Dalits now profess various religious beliefs, including Hinduism, Buddhism, Sikhism, Christianity, and Islam. Scheduled Castes is the official term for Dalits as per the Constitution of India.
Agrawal is a Bania Vaishya community, found throughout northern, central and western India, mainly in the states of Rajasthan, Haryana, Punjab, Chandigarh, Himachal Pradesh, Uttarakhand, Delhi, Chhattisgarh, Gujarat and Uttar Pradesh. Members of the Agrawal community were also found in what are now the Pakistani provinces of Punjab and Sindh, though at the time of the partition of India, most of them migrated across the newly created border to independent India. The majority religions followed by the Agrawals include Vaishnava Hinduism and Jainism.
Arora is a community of Punjab, comprising both Hindus and Sikhs. The name is derived from their native place Aror. In 711, the Arora people left Aror and started to settle in the cities of Punjab.
The caste system in India is the paradigmatic ethnographic instance of social classification based on castes. It has its origins in ancient India, and was transformed by various ruling elites in medieval, early-modern, and modern India, especially the Mughal Empire and the British Raj. It is today the basis of affirmative action programmes in India as enforced through its constitution. The caste system consists of two different concepts, varna and jati, which may be regarded as different levels of analysis of this system.
Bhaiband, meaning “brotherhood”, are a Hindu jāti within the Sindhi caste of India and Pakistan.
Agrahari, Agraharee or Agarhari is an Indian and Nepali Vaishya community, They are the descendants of legendary king Agrasena. Predominantly, they are found in the Indian state of Uttar Pradesh, Madhya Pradesh, Jharkhand, Chhattisgarh and Terai region of Nepal.
Vasavi Kanyaka Parameshvari is a Hindu goddess, primarily revered by the Komati community of Andhra Pradesh. She is primarily recognised by her adherents as a virgin form of Parvati, and sometimes also identified as a form of Lakshmi in Vaishnava tradition.
The Ghate Bania are a Hindu caste, found in the state of Uttar Pradesh in India. A few are also found in Haryana state, India. They are sub-caste of the Bania community found throughout North India.
The Kachhi are a Hindu caste of vegetable cultivators found in the regions of Delhi, Madhya Pradesh, Rajasthan and Uttar Pradesh in India.
Maheshwari, also spelled Maheshvari, is a Hindu caste of India, originally from what is now the state of Rajasthan. Their traditional occupation is that of commerce and as such they form part of the wider Bania occupation-based community that also includes castes such as the Khandelwals, Oswals and Agrawals Gahois.
The Komati is a trading community found primarily in southern and central India, that is currently organised as a caste. The members of the Komati caste are commonly engaged in business pursuits. The community consists of many sects who are followers of Hinduism, namely the Gomata, the Thrivarnika (Trivarṇika) and the Kalinga (Kaliṅga), along with the Jaina Komatis who are followers of Jainism. Traditionally, most Komatis are vegetarian due to their belief in ahimsa (nonviolence).
Baishya Saha or Saha, though not considered Vaishya in the caste structure of Bengal, is a Bengali Hindu trading caste traditionally known to have the occupation of grocers, shopkeepers, dealers moneylenders, and farming.
The Jat people are a traditionally agricultural community in Northern India and Pakistan. Originally pastoralists in the lower Indus river-valley of Sindh, Jats migrated north into the Punjab region in late medieval times, and subsequently into the Delhi Territory, northeastern Rajputana, and the western Gangetic Plain in the 17th and 18th centuries. Of Hindu, Muslim and Sikh faiths, they are now found mostly in the Indian states of Punjab, Haryana, Uttar Pradesh and Rajasthan and the Pakistani provinces of Sindh and Punjab.
Sir Malcolm Lyall Darling was a member of the Indian Civil Service (ICS) who was appointed Assistant Commissioner of the Punjab, British India, in 1904. Having held numerous other posts, he became Financial Commissioner of the same province in 1936 and retired from the ICS in 1940. Thereafter, he was engaged in various roles, including as chairman of the Horace Plunkett Foundation, and was for some time head of the BBC India Section.
The Banias were again predominantly Hindu, but there were many Jain Banias and also Sikh and Muslim Banias in lesser numbers, and very few Buddhist Banias. Such was the picture in the late 19th and early 20th centuries.
Some, like the Khojah caste, are Bania groups converted to Islam by Muslim pirs (saints).
Most of the Hindu banias of Gujarat in the nineteenth century were followers of Vallabhcharya of the Vaishnava sect; the rest were Jains or Shravaks.
Here we are concerned only with upper backwards which have four castes; Yadav (11.0 per cent), Koeri (4.0 per cent), Kurmi (3.5 per cent) and Bania (0.6 per cent) .