Actors Kalki Koechlin and Parambrata Chattopadhyay were seen filming for an upcoming Amazon Prime Video web series on Kolkata's College Street. Koechlin, reportedly playing a character named Ahana, was dressed in a green sari and white shawl. This project, tentatively titled 'Kaher' and produced by Nikhil Advani's Emmay Entertainment, marks the first on-screen collaboration between the two actors. Details about the series remain undisclosed.