Note: Different sampradayas (traditions) have slight variations. The most widely accepted and powerful one is:
: Detailed Sanskrit-to-Tamil scripts and procedures can be found on Scribd's Punyahavachanam Guide punyajanam mantra in tamil free
For karmic shifts, traditional texts say 48 days (one mandala). For mental peace, you will feel it within 7 days. punyajanam mantra in tamil free
The spiritual essence of Punyajanam is rooted in the invocation of Lord Varuna punyajanam mantra in tamil free