Congress' Sowmya Reddy secured 54,457 votes against her nearest rival from the BJP.
The magic figure for simple majority was 105, equivalent to the strength of the BJP, which also commanded the support of an Independent.
KCR said despite 'bhaashanbaazi', industries are closing down, the nation's GDP is crashing and the rupee is falling drastically compared to the US dollar.
Congress's K R Ramesh Kumar will be the speaker of Karnataka's Vidhana Soudha (assembly), while the deputy speaker will be appointed from the JD-S.
Accusing the Congress of also abusing the dominant Lingayat community in poll-bound Karnataka, the prime minister further said the grand old party had even abused Babasaheb Ambedkar and were engaged in abusing Veer Savarkar.
Kumaraswamy said he was ready for probe by even an international agency.
Veteran Congress leader and seven-time Member of Parliament Jaffer Sharrief has ended his over six-decade-long association with the party.
The stand-off between the government and opposition continued in the assembly on Tuesday over an SIT probe into the audio clip.
Rahul said that an atmosphere of fear has been prevailed in the country.
The Lok Sabha constituencies that JD-S will contest are Uttara Kannada, Chikkamagaluru, Shivamogga, Tumkur, Hassan, Mandya, Bengaluru North and Vijayapura.
Another disqualified rebel MLA from Maski, Pratap Gowda Patil, asked the voters in a video message not to panic and said they were confident of emerging victorious in the Supreme Court.
The speaker said he would take a decision on the remaining 14 cases in a "couple of days."
The 85-year-old JD-S patriarch had earlier expressed doubts about contesting the polls, saying he was thinking about his "usefulness" in the national capital.
Karnataka government directing the foundation to include garlic and onion in the food.
The Congress has conceded the plum Finance portfolio to its junior partner, resolving a thorny issue, after its president Rahul Gandhi intervened and spoke to Kumaraswamy.
The Congress leadership has also asked its leaders not to make any public statements on sensitive issues.
The by-elections are being held to fill the vacancies caused by the disqualification of 17 rebel Congress and Janata Dal-Secular MLAs, whose rebellion led to the collapse of the H D Kumaraswamy-led coalition government in July and paved the way for the BJP to come to power.
On the sidelines of the NITI Aayog governing council meeting, CMs of West Bengal, Andhra Pradesh, Karnataka and Kerala met PM Modi.
"Without the knowledge of the prime minister, is it possible to do this," Kumaraswamy asked, saying Modi should come clean on the issue.
Gowda also said he did not know how long the Congress-JD-S government, headed by his son H D Kumaraswamy, would continue and it was in the hands of the senior coalition partner.
This will be the fourth stint for Yeddyurappa as the chief minister -- the last one was after the May 2018 assembly polls.
The coalition government is on a shaky wicket with 16 MLAs -- 13 of the Congress and three of the Janata Dal-Secular -- resigning their assembly membership. Besides, two independent legislators, who were made ministers recently to provide stability, have quit the ministry and withdrawn support.
The crisis staring at the 13-month old government after over a dozen MLAs of the ruling combine quit on Saturday deepened with two Ministers and Independent MLAs -- H Nagesh and R Shankar -- resigning from the ministry and withdrawing their support to the coalition.
'It must have stung Devendra Fadnavis to see Modi asking MPs at the BJP parliamentary party meeting to give Yediyurappa a standing ovation for his victory in the by-elections that has resulted in pulling the BJP government in Karnataka off the ventilator,' notes Aditi Phadnis.
The PM is seen as slipping up in confidence levels as aired by his 'exposure' of the BRS on a crucial issue as alliance negotiations, which is not done under normal circumstances, observes N Sathiya Moorthy.
JD-S sources read it as an attempt by Modi to sow seeds of doubt in the Opposition ranks.
Days after the violent protests in Mangaluru against the Citizenship Amendment Act resulted in the deaths of two people, police released video clippings purportedly showing protesters bringing stones in an auto-trolley, hurling it at the personnel and trying to destroy the CCTV cameras. The video also shows protesters covering their face with clothes to conceal their identity and attempting to destroy CCTV cameras in a bid to wipe out evidences.
'The wife will not only abuse her husband for giving her less money, but also abuse the government.' 'Look at the price of a cooking gas cylinder, it is Rs 1,200.'
In his concluding remarks at the 'Chintan Shivir' in Udaipur, Gandhi had said that it is only the Congress that can fight the BJP at the national level and regional outfits cannot fight this battle of ideology.
Nagaraj reached Mumbai accompanied by Karnataka BJP president B S Yeddyurappa's personal assistant Santosh and BJP MLA R Ashok.
Congress Legislature Party leader and Congress-Janata Dal (Secular) coordination committee chief Siddaramaiah said no one would leave the Congress and there was no disgruntlement either.
There are lessons for the Congress to learn from the Karnataka elections of how burying the hatchet among top leaders and not washing dirty linen in public can help, says Ramesh Menon.
JD-S leaders have already dropped enough hints about the party being open to such a possibility.
Capping a three-week-long high-voltage intense power struggle triggered by a raft of resignations by rebel lawmakers that pushed the government to the brink of collapse, the motion in the Karnataka Assembly was defeated with 99 members voting for the motion and 105 against it.
The BJP and Congress have already launched spirited campaigns for the elections.
"Speaker is yet to fix another date for them to appear before him," the sources added.
According to Congress sources, few ministers from the party have even offered to step down in the larger interest and to keep the coalition intact.
The MLAs who were seen at the Speaker's office include, Ramesh Jarkiholi (Gokak), Pratap Gowda Patil (Maski), Shivram Hebbar (Yellapur), Mahesh Kumathalli (Athani), B C Patil (Hirekerur), Byratibasavaraj (K R Puram), S T Soma Shekar (Yashwanthpur) and Ramalinga reddy (BTM Layout) of the Congress. The JD-S MLAs are A H Vishwanath (Hunsur), who recently resigned as party's state chief, Narayana Gowda (K R Pet), and Gopalaiah (Mahalakshmi Layout).
Polling for 16 Rajya Sabha seats in four states will be held on Friday amid allegations of attempts at horse-trading by rival parties which have corralled their MLAs in hotels and scenic resorts, prompting the Election Commission to appoint special observers and order videography of the entire exercise.
Elaborate security arrangements have been made in districts like Kodagu and Chitradurga, coastal regions among others, where local communities are opposed to the celebrations.