www.sunjournal.com/...201164.php?DirID=289
"They exchange garlands of flowers, acknowledging their lifelong union. Members of both families then place a varmala, or cotton cord, around Priti and Sandeep's necks, symbolizing their unity and acceptance of this relationship. The varmala reminds the couple not to pull away from each other or break this sacred bond"
"At the end, Priti is on Sandeep's left, signifying she is now closer to and part of his heart."
Google : hindi + symbolism + wedding, souvent les sites anglophones sont plus riches