Gadkari and Singh on Thursday came together to release a book on late Congress leader Ramkrishna More at Pimpri Chinchwad near Pune.
Shinde dismissed his predecessor Uddhav Thackeray's call for mid-term elections.
Reiterating that the secularism for Congress meant building trust among various communities, Congress leader Digvijay Singh on Friday accused the Rashtriya Swayamsevak Sangh and Gujarat Chief Minister Narendra Modi of creating divisions among Hindus and Muslims.