ED initiated an investigation on the basis of FIR registered by Anti Corruption Bureau (ACB), Central Bureau of Investigation (CBI).
State ministers Subrata Mukherjee and Firhad Hakim, TMC MLA Madan Mitra and former city mayor Sovan Chatterjee appeared before the judge and left the Bankshall court premises after a while.
It heard the CBI plea for transfer of the case from lower court to high court, and applications filed by the accused for recall of the stay order the high court had given on a lower court ruling.
Narada case: Firhad Hakim returns home after HC orders house arrest, three others to remain in hospital due to ill health
Hakim, the state's transport minister and chairman of the board of administrators of the KMC, came back to his Chetla residence in the evening, amid tight security.
The TMC supremo also said that she has full faith in the country's judiciary, and was absolutely certain that justice will be served in the case.
Counsels appearing for ministers Subrata Mukherjee and Firhad Hakim, MLA Madan Mitra and Sovan Chatterjee mentioned the matter before a division bench.
They were taken to the state-run SSKM Hospital as both the politicians complained of breathlessness, an official said.
Senior journalist Mathew Samuel said that steps against corruption are needed and investigations should be fair.
TMC party supporters raised slogans against the BJP- led NDA government, and hurled stones and bricks at security personnel outside Nizam Palace, which houses the CBI regional office there.
Senior TMC leader and MLA Madan Mitra and former minister Sovan Chatterjee were also brought to Nizam Palace as part of the CBI probe, officials said.