The party also appointed N Tulasi Reddy and Shaikh Mastan Vali as working presidents for Andhra Pradesh Congress.
Congress Committee president of Karimnagar, Katakam Mruthyunjayam sent his resignation letter to the president of All India Congress Committee (AICC) Sonia Gandhi.
Rahul Gandhi, under whose leadership the party was reduced to 52 out of 542 seats in the 2019 LS polls earlier this year, resigned from the top post during the CWC meeting after the results.
Addressing a poll rally in Kharkhoda here on Sunday, Khattar launched a fierce attack on the Congress and the Jannayak Janta Party, asking the voters to show the door to these "family-based parties.
All India Congress Committee in-charge of Delhi Congress PC Chacko, who met party president Sonia Gandhi on October 10, said the next head of Delhi unit could be announced on Friday.
Lallu has replaced Raj Babbar who had resigned from the post soon after the results of 2019 Lok Sabha elections which witnessed a decimation of the grand old party in the state.
Move comes ahead of major party rejig so that they can be inducted at various levels
According to a senior party leader, Sonia is still trying to get a complete hold of party affairs after Rahul Gandhi stepped down as the president.
Congress spokesperson Randeep Surjewala said, CWC has given Congress President the right to make changes to restructure the party, a plan for this will be brought soon.
Sudhir Kumar Ojha, who filed the criminal complaint, contended that Gandhi had justified terrorism by suggesting that increasing unemployment in India was behind the growth in terrorism.
He said Modi redesigned the Rafael deal to benefit his friend to the tune of Rs 1 lakh crore while Rao had redesigned irrigation projects so that his family reaped all the benefits.
Modi shook Gandhi's hands but ignored his call to stand so that he could hug the BJP leader.
In his address on a no-confidence motion in Lok Sabha, Gandhi said the French president had clearly conveyed to him that there was no problem in sharing details relating to the Rafale.
Rahul also claimed that his party candidates were contesting the Karnataka assembly election with contributions from the public.
The Former Congress president charged the government with muzzling dissenting voices, weakening institutions and dividing communities eyeing poll gains.