From July 1, the BJP will formally start preparations at all 91,000 booths with the aim to reach out to the maximum number of voters.
Thackeray, who toured the drought-hit parts of Marathwada and North Maharashtra on Saturday to review the relief work, also blamed the inefficiency of officials for the failure of government schemes.
The alliance between the two parties was forged after he held discussions with BJP chief Amit Shah and chief minister Devendra Fadnavis (before the Lok Sabha polls), Thackeray said.
Indicating that the Sena would drive a hard bargain before agreeing for an electoral tie-up, Sardesai claimed both the parties will share the chief minister's post for 2.5 years each.
Fadnavis' presence at the event was significant as it indicated his continuing good equation with Thackeray, especially when state elections are around the corner.
Maharashtra will be going to polls later this year and the visit is being seen as an attempt by the Shiv Sena to put pressure on ally BJP on the Ram temple issue.
Shiv Sena chief Uddhav Thackeray's visit to Ayodhya on Sunday is apparently aimed at reiterating support for the construction of a Ram temple at the disputed site.
65-year-old Raut has a second-time MP from Ratnagiri-Sindhudurg in Maharashtra's Konkan region and has previously been MLA between 1999-2004 from Vile Parle in Mumbai.
The RTI activist said he has written to Chief Minister Devendra Fadnavis, seeking to know why an international competition was not considered for the monument.
Thackeray, speaking in Aurangabad, also made a reference to the Marathwada Mukti Sangram.
This will be Thackeray's second visit to the temple town in Uttar Pradesh in the last seven months and the first after the declaration of the Lok Sabha poll results.
Shiv Sena president Uddhav Thackeray has hailed Union Home Minister Amit Shah’s initiatives on Kashmir.
BJP chief Amit Shah, Bihar Chief Minister Nitish Kumar and Shiv Sena supremo Uddhav Thackeray were present among various leaders.
With exit polls forecasting NDA's return to power, top leaders of the BJP-led alliance are slated to meet over dinner where Prime Minister Narendra Modi is expected to be present.
The final phase of the ongoing Lok Sabha polls will be held on May 19 and votes will be counted on May 23.