Both the BJP leaders will address rallies at separate places going to polls during the first phase on April 10. At least ten Parliamentary constituencies and 70 Assembly segments of the state are going to polls in the first phase.
Singh will arrive at Kotpad under Nabarangpur Lok Sabha constituency from Jagdalpur in a chopper on April 2.
After addressing a public meeting at Kotpad's Bhairav ground, the BJP leader will head for Bhawanipatna for another public meeting at the Bhawanipatna College ground.
From there, he is scheduled to fly to Phulbani and address a public meeting. Later, he would head for Brahmapur to address another rally at the Nilakantheswar temple ground.
Singh will return to Bhubaneswar for a night halt and leave for New Delhi the next day, the release said.
Meanwhile, Modi will arrive at Nuapada from Raipur on April 4 afternoon and address a public meeting. Later, he will fly to Bolangir and address another public meeting at the Police Reserve Ground.
The Gujarat Chief Minister will later address another public meeting at Rourkela under Sundergarh Lok Sabha constituency, it said, adding that Modi will leave for Ahmedabad in a special flight in the evening on the same day.