"I am told that most CBI officers were against Manish's arrest. All of them have huge respect for him and there is no evidence against him. But the political pressure to arrest him was so high that they had to obey their political masters," Kejriwal said in a tweet.

Sisodia's arrest, one of the high-profile actions against an opposition leader, came after that of Satyendar Jain, Delhi's then health minister, in June last year.

Both ministers have led what the Aam Aadmi Party describes as the successful transformation of Delhi's education and health services, contributing to the party's popularity and continued electoral success.

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