BJP sources said party veterans L K Advani and Murli Manohar Joshi will also campaign in Maharashtra. However, they may not campaign in Haryana as their names are not among the star campaigners.
According to sources, the Prime Minister will address 10 rallies starting October 4 in Haryana and another two dozen rallies in Maharashtra.
On the first day of his campaign, Modi will address four rallies - one in Haryana and three in Maharashtra at Kohlapur, Beed and Mumbai.
BJP Chief Ministers Shivraj Singh Chouhan of Madhya Pradesh, Raman Singh of Chhattisgarh Vasundhara Raje of Rajasthan, Manohar Parrikar of Goa and Anandiben Patel of Gujarat will also campaign in Haryana and Maharashtra, besides party chief Amit Shah and a host of other top leaders, including Union Ministers Rajnath Singh, Nitin Gadkari, Sushma Swaraj and Arun Jaitley.
In Haryana, the Prime Minister will address one election rally each from October 4 to 10 and three rallies across the state on October 11.
Maharashtra being a bigger states, Modi will address at least three rallies everyday followed by four rallies on the last day of the campaign on October 13.
Top party leaders held meetings in Delhi, Rohtak and Mumbai to chalk out final plans of campaign in the coming assembly polls. Final touches are being given to the campaign plan which will be cleared by the Prime Minister after his return from the United States.
Actor-turned-politician Hema Malini and Smriti Irani will be among the party's star women campaigners in both states.
The party is focussing on the development model and the Prime Minister will woo the electorate with the promise of initiating all-round development evenly across the two states and providing good governance.
The party will attacking Congress, which has been ruling the two states for long, on development and law and order planks.
While Haryana has 90 assembly seats, Maharashtra has 288 seats. BJP is contesting alone after it ended its tie-ups in Haryana with Haryana Janhit Congress and with its 25-year- old ally Shiv Sena in Maharashtra.
Congress faces anti-incumbency in both the states as it is in power in Haryana for the last 10 years and 15 years in Maharashtra.
Campaigning for the October 15 Assembly polls in the two states will end on October 13 and the results will be out on October 19.