Mandal earlier dodged CBI appearances multiple times citing health problems and election-related works.
Anubrata Mandal was supposed to appear for questioning at the CBI office at Nizam Palace in central Kolkata on April 6.
Bora, an ex-minister of Assam Minister, quit the Congress and joined the TMC a week ago in the presence of the party's national general secretary, Abhishek Banerjee.
Jahangirpuri violence: TMC MP Kakoli Ghosh Dastidar says residents 'caged', suffering due to restrictions
Dastidar said the TMC team managed to enter Jahangirpuri despite the restrictions and spoke to many residents before being stopped by police.
While some normalcy is returning, businessmen and shop owners in the area have not been able to work and earn for the last one week.
The next hearing of the Mukul Roy disqualification case as an MLA will take place in West Bengal Assembly on April 28.
Ripun Bora also disclosed before the media that poll-strategist Prashant Kishor was one of those who congratulated him for joining the TMC.
Clashes broke out on Monday between two groups of people in the southern part of the city, leaving at least eight injured, a police officer said.
Shatrughan Sinha said Banerjee is gaining popularity across the country after inflicting a crushing defeat on the BJP in the West Bengal assembly polls last year.
Former Assam Congress president Ripun Bora joined the TMC in the presence of party's national general secretary Abhishek Banerjee.
Bypolls in four states: BJP 0; TMC + Cong + RJD 5
Shatrughan Sinha garnered a massive 6,56,358 votes against BJP candidate Agnimitra Paul's 3,53,149, according to the Election Commission website.
Shatrughan Sinha bagged 6,56,358 votes while Agnimitra Paul managed to garner 3,53,149, according to Election Commission website.
In West Bengal, movie actor-turned politician Shatrughan Sinha of the TMC defeated BJP's Agnimitra Paul by 3,03,209 votes in Asansol.
TMC leader Babul Supriyo won the Ballygunge assembly by-poll, defeating his nearest rival of the CPM, Saira Shah Halim, by a margin of 20,228 votes.
TMC supremo Mamata Banerjee thanked voters from the Asansol Lok Sabha seat and Ballygunge Assembly Constituency for giving a decisive mandate.
Ballygunge by-poll: Babul Supriyo confident of winning election, says West Bengal is with 'Didi', TMC
The Ballygunge Assembly seat by-poll was necessitated after the demise of state Minister Subrata Mukherjee.
The panel members will visit West Bengal and meet the bereaved family before submitting a report to the saffron camp’s national president JP Nadda.
The activists staged the agitation in front of the Raj Bhavan despite the issuance of Section 144 of the Criminal Procedure Code in the high-security area.
Opposition parties described Banerjee's statement as "shocking" and alleged that she seeks to shield the accused as he is the son of a leader of her party.