While major events require a priest, smaller periodic purifications can be done by the householder using a simplified guide.
The manual should clearly state actions in Tamil (e.g., "இப்போது கலசத்தில் தூய்மையான நீரை நிரப்பவும்" — "Now fill the Kalasam with pure water"). Vasudeva Punyahavachanam In Tamil Pdf