The court rejected the bail after the prosecution opposed it on the ground that investigations had reached a crucial stage and his release may hamper the probe.
In his bail plea, Sooraj, lodged in Arthur Road Central jail here since June 10, contended the complainant and Jiah's mother, Rabiyah Khan, was seeking revenge for reasons best known to her.
The bail application, filed through his lawyer C K Talekar, also alleged Rabiyah was "misusing" Jiah's letter which was found four days after her suicide at her house on June 3 here. Police had arrested Sooraj, son of Aditya Pancholi and Zarina Wahab, on the basis of this letter.
Rabiyah and the police had claimed that the letter was "incriminating" against Sooraj. However, Sooraj's bail plea contended the five-page letter couldn't have been written before committing suicide. Moreover, it was not addressed to him and did not carry his name.
The Andheri magistrate's court had earlier remanded Sooraj in judicial custody after rejecting the police's application for custody. Thereafter, he filed the bail application. Jiah's letter alleged she was "heartbroken" in her relationship with Suraj and was fed up with his "womanising".
Spotted: Lara Dutta, Mahesh Bhupathi with their daughter in Bandra
Birthday special: Sushant Singh Rajput's journey from TV to films
Photos: Vibrant Sonakshi Sinha opens LFW 2017 on a cruise ship
Health in pictures: 8 reasons why people have unprotected sex
Photos: 'Peshwa Bajirao' TV show launch event in Mumbai