In India, professional Hindu Brahmin Pandits, popularly known as "Pandas", kept detailed family genealogies over the past several generations at the Hindu holy city of Haridwar. These genealogies are not available online. You may learn more about them here: Hindu genealogy registers at Haridwar
For in depth information regarding genealogy and Muslims, please refer to - Volume 5: Genealogy and Knowledge in Muslim Societies : Understanding the Past