The party also avoided another round of revolt by deciding to field Narpat Singh Rajvi from Chittorgarh
Oommen Chandy died at a hospital in Bengaluru on Tuesday after prolonged illness.
Meena is from the Pilot camp and was with him in Manesar during the rebellion of 2020.
Sachin Pilot is being helped in the process by Prashant Kishor's political consultancy firm I-PAC.
This is the first time after a long gap that the Rajasthan CM and his former deputy are meeting face to face in the presence of top party leadership.
The Congress leader also demanded the disbanding of the Rajasthan Public Service Commission.
The five-day yatra mounts further pressure on the Congress leadership as it hopes to retain the state in the elections at the end of the year.
Pilot has announced that he will hold a 'Jan Sangharsh Yatra' from Ajmer to Jaipur on May 11 against corruption in the State.
Rajasthan Chief Minister Ashok Gehlot, along with Chhattisgarh CM Bhupesh Baghel and Himachal Pradesh CM Sukhvinder Singh Sukhu, have found their place in the star campaigners' list for the polls.
On Tuesday, Pilot sat on a daylong fast in Jaipur, urging the Ashok Gehlot government in Rajasthan to act on alleged cases of corruption when the BJP ran the state under Vasundhara Raje.