Bharatiya Janata Party leader Kirit Somaiya will file a petition in the Bombay High court on Friday against the Maharashtra government and Shiv Sena MLA Pratap Sarnaik over the alleged unauthorized construction of Vihang Garden in Thane and exemption of Rs 18 crores penalty to the builder.

"Tomorrow afternoon at 1 pm, we will file a petition at Bombay High Court against Thackeray Sarkar and Pratap Sarnaik for illegal protection to builder Pratap Sarnaik for unauthorized construction of Vihang Garden, Thane and exemption of Rs 18 crores as penalty," tweeted Somaiya.