Tanusree Shankar turns to her principal sister for Haami

Danseuse Tanusree Shankar packs a punch as a

principal

of a junior school in the summer release,

Haami

. The first two teasers are already out and Shankar getting praised for her part. But she says the role was far from easy. So, who served as an inspiration for her? "My sister. She is a principal of a school in Kolkata and I would ask her for tips. When asked about her work, she said it was the "toughest"," she said. With so much going on in city schools, one couldn't agree more.