Vidya Balan with a large Bump ....

Kahaani Director Sujoy Ghosh with Vidya Balan as the lead is being shot in the streets of Calcutta skinny.

The shot was captured in an intense time as the director explained a complex shot the beautiful Balan, who wore an ill-equipped belly next to the iconic Ambassador taxi.

Kahaani is said to be the story of an NRI woman who comes to Calcutta in search of her missing husband.

While Garcia has been tight-lipped on the project, sources say it is a drama meets thriller of revenge.