Media reports said that investigators are probing Hashmi's links to Headley as they have found phone records which could link him to Headley.
Hashmi was introduced to Headley by cousin Rahul Bhatt, who is also under investigation after Rahul voluntarily admitted of knowing Headley.
Headley and Hashmi had reportedly met up twice. There has been mixed reports on the first meeting of Hashmi and Headley.
According to some reports they first met on the sets of 'Woh Lamhe' where he was also introduced to actress Kangana Ranaut, while other reports state that the duo met in a pub.
The second meeting took place on the sets of 'Tum Mile', Hashmi's latest film.
The National Investigating Agency (NIA) said that Rahul and Headley knew eight Bollywood actress, in addition to other two actress.