'Naagin 7' January 4 written update: Ravish’s truth comes out, Purvi fights off a Bhediya

Purvi's sister Ananta faces betrayal as her partner Ravish is exposed. Aryaman supports the sisters against his family's disapproval. A shocking revelation sees Parmeet transform into a wolf, leading to an intense battle with Purvi, who unknowingly unleashes her Naagin powers to protect her family.