Yeddyurappa was reportedly by Modi told not to lobby for posts and to work for strengthening the party instead.
Modi, who is scheduled to take the oath of office and secrecy at 6 PM on Monday, will visit Rajghat at 7 AM.
The TDP, Shiv Sena and the RPI have mounted pressure on the BJP to ensure allies get a fair share of representation in the government.
In the course of the election campaign, Siddaramaiah had been one of the most vocal attackers of Modi.
Sources said all district presidents have been asked to put up party flags on the rooftops of the houses of party workers.
However, senior officials in the electricity board dismissed the allegations saying the BJP was trying to play dirty politics.
Besides Gadkari and Munde, other probables are Hansraj Ahir, Raosaheb Danwe, Dilip Gandhi, Harishchandra Chavan, Piyush Goyal and Kirit Somaiya.
Maharashtra is likely to be represented by at least five Cabinet ministers; Gadkari, Munde are front-runners.
Sinha also claimed that Left and TMC workers have started joining BJP as they felt that it was the real alternative in the state.
Some parties say this is not the right time for holding talks with Pakistan, while the Tamil parties have asked BJP to rethink on inviting the Sri Lankan President.
BJP ally MDMK on Saturday announced a black flag demonstration against the head of the island republic in Delhi on May 26.
Shatrughan Sinha underwent bypass surgery last year, was admitted to a suburban hospital for routine check-up post hectic election campaign.
Shirole urged the civic administration to resolve the serious traffic problem of the city.
If they are innocent, a clean chit will always be given to them, said Satpal Gosain.
The state unit has also asked the EC to extend polling time from 4 pm to 6 pm.