OCR Size Comparison No OCR: Belvalkar-SystemsSanskritGr-1915 (13 Mb) IAST OCR: Belvalkar-SystemsSanskritGr-1915 (4.5 Mb) No OCR: Adyar-SanyasaUpanishads-1966 (12 Mb) Devanagari OCR: Adyar-SanyasaUpanishads-1966 (51 Mb)