Patna, Sep 24 (IANS) Former Bihar parliamentarian Mohammad Shahabuddin was on Thursday shifted to Bhagalpur jail from Siwan prison after complaints that he was managing his wife's poll campaign and threatening political rivals on a mobile phone, an official said.

"After complaints by the BJP and other political parties that Shahabuddin was using a mobile phone to threaten his rivals and managing his wife's campaign, the district administration shifted him to Bhagalpur jail," a police official said.

"He was shifted to ensure free and fair elections in Siwan," the official added.

Shahabuddin is presently undergoing a life term. His wife Hina Shahab is a Rashtriya Janata Dal candidate from Siwan assembly constituency.