Ahir (a corruption of the word Abhir, "fearless") is a subgroup of the Yadav caste of India. Yadav is a human race which has most ancient references in scriptures. ... The word Caste is derived from the Portuguese word casta, meaning lineage, breed or race. ...

According to tradition, the Abhiras had the distinction of founding the first recorded kingdom on the banks of the sacred river Saraswati. On the other side of the river was the kingdom of the Suras. The Sarswati gradually went underground, and the Suras were blamed for the mishap and charged with sins with which the river was burdened. Both the Suras and Abhiras had to migrate away from their kingdom and were alienated from the rest of society. Saraswati, goddess of knowledge Saraswati (Sanskrit: सरस्वती) is the first of the three great goddesses of Hinduism, the other two being Lakshmi and Durga. ... See also: Sura (disambiguation). ...

Hindu writers have described the Ahirs as living in the north and west, the quarter varying according to the locality of the writer. Some translators have confused them with the Suras, with whom they are generally associated, and have called them Surabhiras. It is sometimes suggested that the native country or city of the Abhiras is Ophir, mentioned in the Bible and sofir refers to surabhir. This article or section does not cite its references or sources. ... Ophir (Hebrew אוֹפִיר, Standard Hebrew Ofir, Tiberian Hebrew ʾÔp̄îr) is a port or region mentioned in the Bible that was famous for its wealth. ... 11th century Targum Tanakh [תנ״ך] (also Tanach, IPA: or ) is an acronym that identifies the Hebrew Bible. ...

According to Markandeya Purana, all the kshatriya (warrior caste) were killed in a holocaust led by Parshuram. Only the Abhiras survived by escaping into the craters between mountains. The sage Markandeya remarked that "all Kshatriya have been killed but Abhira have survived; they will surely rule the earth in Kaliyuga." Vātsyāyana also mentions the Abhira kingdoms in the Kama Sutra[1].References of Abhira being residents of kingdom ruled by Yudhisthira is found in Bhagwatam. [[2]] Kshatriya is the title of the military order within the Hindu varna system. ... Parashurama Bhargava or Parasurama (Axe-wielding Rama), is the Sixth avatara of Vishnu, and a son of Jamadagni. ... According to most inrepretations of Hindu scriptures, the Kali Yuga (Iron Age) began at the end of Krishnas bodily lifespan (approximately 5100 years ago, 3102 BC) and will last exactly 432,000 years — placing its conclusion in the year AD 428,899 (it began with a year 0). ... Mallanaga Vātsyāyana is the name of an Indian philosopher in the Cārvāka or Lokyāta tradition, who lived some time in the Gupta period (4th to 6th centuries [[Common Era|CE). ... Modern translated version of the original Sanskrit. ...

Many researchers have found compelling proofs of Mauryan and Guptas being Abhiras and link has been established between the two found in hindu scriptures [[3]]