Analysis of information sources in references of the Wikipedia article "கோல்கொண்டா வியாபாரி பிராமணர்கள்" in Tamil language version.
The Madhwas or Golconda Vyapari Brahmins follow the teachings of their Guru Madhwachari who preached Dvaita in contrast to Sankaracharya's Advaita which believes that the Jivatma (soul of the individual) and Paramatma (cosmic soul) ...
Deshastha Brahmans, and Golkonda Vyaparis with whom they were linked by marriage, came to power during the time of the last Bahmani Diwan, Mahmud Gawan (d. 1481).
Desastha Brahmins who held the important position of authority in the Deccan, and also Golconda Vyaparis with whom they have intimate connections. Thus at the village level, the old Niyogis who, for several centuries, had built up their power were slowly replaced by the Desastha Brahmins.