The counting of votes will be held on August 26 evening after the elections.
The tenure of AIADMK MPs V Maitrayen, R Lakshmanan, T Rathinavel, K.R. Arjunan, DMK MP Kanimozhi, and CPI MP Raja will get over on July 24.
Congress MLAs Alpesh Thakor and Dhavalsinh Zala resigned from the Gujarat Assembly.
On the basis of its strength of 100 MLAs, both the BJP candidates, Union External Affairs Minister S. Jaishankar and OBC Cell member from North Gujarat Jugalkishor Thakor, are likely to sail through.
The main opposition party said its MLAs will take part in a brainstorming session at Mount Abu to chalk out a strategy for the ongoing budget session of the Assembly.
The 75-year old leader visited DMK president MK Stalin at the party headquarters to thank him for the seat.
The bypolls in Gujarat will be held for the two vacant Rajya Sabha seats where the main opposition party is pitted against the ruling BJP in a straight fight.
According to a statement from Stalin, party trade union leader M Shanmugam and senior advocate P Wilson are the nominees for the biennial election.
Congress alleges the Rajya Sabha nominee has close business links with a few dubious mining companies in Odisha.
Jaishankar reached Ahmedabad Monday evening, hours after he officially joined the BJP in the presence of BJPs working president J P Nadda in Delhi.
SC trashes Congress plea against EC decision to hold separate bypolls for two Gujarat Rajya Sabha seats
The two Rajya Sabha seats fell vacant after Amit Shah and Smriti Irani got elected the Lok Sabha from Gujarat's Gandhinagar and Uttar Pradesh's Amethi, respectively.
Ashwini Vaishnav, Amar Patnaik and Sasmit Patra are going to be elected to the Rajya Sabha uncontested as no other nominee has filed nomination papers, the three seats were held by the BJD.
Jaishankar, a career diplomat and former foreign secretary, was inducted by Prime Minister Narendra Modi in his government and given the high profile ministry in a surprise development.
Additional Solicitor General Satya Pal Jain, who appeared for Rajput in his personal capacity as lawyer, grilled Patel for two hours before Justice Bela Trivedi.
The petition filed by Congress MLA and Leader of Opposition in Gujarat Assembly, Pareshbhai Dhanani has sought a direction to the EC for holding the election for the two seats simultaneously.