The announcement was made by AICC General Secretary Gurudas Kamat.
Their appointment comes close on the heels of PCC Chief Chandra Bhan being made a party nominee in the Assembly polls.
Shekhawat is a Lok Sabha member representing Rajsamand while Kabra is a senior leader hailing from Jodhpur district.
Meanwhile, the party has made Sita Ram Yadav as its candidate from Behror constituency.