His vital parameters were stable and during discharge, he was comfortable and asymptomatic. He has been advised follow-up and home quarantine as per guidelines, the statement read.
110 persons accused of arson, stone-pelting and assault on the police have been arrested in connection with the violence.
On Sunday, Union home minister Amit Shah and Karnataka chief minister BS Yeddyurappa were the two big leaders who said they have contracted the virus.
The ruling Bharatiya Janata Party (BJP) on Monday registered a thumping victory in the Karnataka by-elections, winning 12 out of the 15 Assembly seats, and secured a comfortable majority in the House.
Siddaramaiah said he will be sending a copy of his resignation to Congress General Secretary KC Venugopal and Karnataka Pradesh Congress Committee (KPCC) president Dinesh Gundu Rao.
Earlier on Friday, the Congress party opposed India signing the RCEP agreement, saying it will be the "third big jolt" to the Indian economy after demonetisation and GST and will result in liberalising Chinese imports to the Indian market.
Shah had triggered a political row on Saturday when he had said that it is important the country had one language reflecting its identity and only Hindi could unite the country.
The person whom Siddaramaiah slapped is Naadnally Ravi who is also a former village Panchayat member.
A massive search operation involving multiple teams of police forces along with the Coast Guard and NDRF was being carried out since Tuesday to locate Siddhartha
Following the fall of the coalition government last Tuesday in a trust vote, Yeddyurappa met the Governor this morning to stake claim to form the Government.