Priests at Haridwar, India maintain handwritten Bahi Khata (Genealogy register) which has record spanning around 2000 years and they are able to search it in ab

Priests at Haridwar, India maintain handwritten Bahi Khata (Genealogy register) which has record spanning around 2000 years and they are able to search it in about 5-7 minutes so its pretty robust. Links: 1. https://en.wikipedia.org/wiki/Hindu_genealogy_registers_at_Haridwar https://en.wikipedia.org/wiki/Hindu_genealogy_registers_at_H... 2. https://www.youtube.com/watch?v=JcSyvvreJKs https://www.youtube.com/watch?v=JcSyvvreJKs