It looks like you're referring to (2023), a web series from Ullu Originals .
The story attempts to weave a tale of seduction where the Devar (younger brother-in-law) becomes the catalyst for breaking traditional boundaries. He manipulates situations to draw the women of the house into his web of desire, turning a seemingly standard household into a ground for secret affairs and shifting loyalties. Maa Devrani Beti Jethani -2023- Ullu Originals ...
The story is set in a palatial but claustrophobic ancestral home in Lucknow. The Jethani (played by a veteran actress known for her work in B-grade cinema) is a wealthy, middle-aged woman whose husband has left for a job overseas. She feels entitled to the entire property. The Devrani is a young bride, economically impoverished but scheming, who uses her charm to sway the only remaining male in the house—her own husband, who is caught in the middle. It looks like you're referring to (2023), a