The Opposition had mounted a shrill attack on the government following Kumar's arrest three weeks ago, alleging that slapping of sedition charge against him was an attempt to crush dissent by the ruling establishment.
"He should not have been arrested in the first place. The sedition charges were absolutely and completely unwarranted. This is misuse of the instrumentality of the state.
The Left parties hailed the bail and said if the charges against Kumar had credibility, he would not have been granted the relief.
"This is the first victory in a long drawn battle, the charges on Kanhaiya Kumar are false. He has been targeted like everyone is for raising their voice against the government," CPI leader D Raja said.
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CPI(M) general secretary Sitaram Yechury said, "If sedition case was right he wouldn't have got interim bail. This shows that there was definitely some conspiracy."
AAP also welcomed Kumar's bail.
"Now question is who raised slogans & why Police failed to arrest them? World is laughing at the way Central Govt & BJP leaders handled it," Delhi Minister and AAP leader Kapil Mishra tweeted.
Responding to Kumar's bail, BJP's Shaina NC said the issue was never about him but about anti-India sloganeering.
"The court has given a verdict suggesting that yes we grant him bail on a surety of Rs 10,000 and we are absolutely okay with it. The issue has never been about Kanhaiya or any political ideology but the contention was about anti-India sloganeering," she told reporters.
He was today granted interim bail for six months by the Delhi High Court which said he has to cooperate in the ongoing investigation and has to present himself before the investigators as and when required.