Several reasons: (1) Discovery of original Tantra manuscripts. (2) Removal of Asuddha (impure) words that crept in during British-era printing. (3) Inclusion of Prayaschitta (remedial) mantras for common mistakes.
This is one of the most respected versions, often published by Panchangam Press . It covers rituals for 22 different deities, including Brahmasree T.D.P. Namboothiri A popular modern guide written in "Pacha Malayalam" Pooja Vidhikal Malayalam Pdf -UPD-
Offering food followed by the ringing of the bell. Deeparadhana: The final offering of light (Aarti). Recommended Resources & Downloads Pooja Vidhikal Malayalam Pdf -UPD-