Kidwai was 96. He is survived by two sons and four daughters, an official statement said here.
In his condolence message, Khattar described Kidwai as a seasoned politician and a great academician who worked relentlessly for promoting research and development and for elevating the status of women through education and self-reliance.
Solanki said in Kidwai's demise the country had lost a great freedom fighter, a Gandhian leader, an able administrator and an educationist.
"He had brilliantly discharged his constitutional responsibilities while serving as the Governor of Bihar two times, and West Bengal and Haryana one time each," Solanki said.
More From This Section
"He did appreciable work as Chairman of the Union Public Service Commission," Solanki said while also conveying his heartfelt condolences to the members of the bereaved family.
Meanwhile, Haryana government has decided to observe three days of state mourning from today as a mark of respect to Kidwai.
The national flag will fly at half mast and there would be no official entertainment during the mourning period, an official spokesman said.