The fast is also to protest the alleged manhandling of DMK working president M K Stalin in the Tamil Nadu assembly on February 18 when the trust vote was taken up.
In a release, Puducherry PWD Minister and PCC president A Namassivayam announced the party's support to the DMK's fast.
DMK is an alliance partner of the Congress and supports the Narayanasamy-led government from outside.
Disclaimer: No Business Standard Journalist was involved in creation of this content