Banerjee described Roy as "highly respected and reputed" and said the trend of conducting such search operations was "disturbing".
"Shocked at the raids on Dr @PrannoyRoyNDTV's house. He is highly respected and reputed. Disturbing trend," Banerjee tweeted.
The CBI has registered a case against Roy, his wife Radhika and RRPR Holdings for allegedly causing losses of Rs 48 crore to ICICI Bank, agency sources said.
They said the agency was conducting searches at four places in the national capital and Dehradun.
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