Crime branch, which was handed over the probe yesterday, also summoned 25 youths, including Modhwadia's son Parth, who were arrested at the party here for allegedly consuming liquor.
An FIR was also lodged against a woman sub-inspector of police who had conducted the raid on Sunday after Modhwadia accused her of taking money.
Manufacture and sale of liquor is prohibited in Gujarat.
During a press conference yesterday, Modhwadia claimed that Jadeja took a bribe of Rs 4 lakh to "settle the matter" after conducting raid at an apartment in Satellite area.
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Bhatt said an FIR was lodged against Jadeja and three others, including those who allegedly gave the bribe and two mediators.
"After the matter came to the attention of police inspector of Satellite (police station) M U Mashi, he has lodged an FIR with crime branch against Jadeja and 3 others under various sections of Prevention of Corruption Act. We will conduct thorough investigation into this matter," said Bhatt.
"We have also asked him to submit any other audio clip or any other material to help us in our investigation," the JCP said.
On Sunday, police had raided a birthday party being held
at an apartment in Asavari Tower in Satellite area of the city and arrested 25 youths, including Parth, for allegedly consuming liquor.
All the youths were granted bail on the same day after doctors at Sola Civil Hospital collected their blood samples to determine whether they were drunk.
With the issue of raid and subsequent charges of corruption causing a flutter, the probe was transferred to crime branch.
"We will also request the court to issue an order to seize passports of 25 accused. We have also recovered the CCTV footages of Asavari Tower to find out who actually visited the party and how many women were there, as it has been alleged that police have let them go after taking money," said Bhatt.