The chief ministers reached the New Moti Bagh Palace in the afternoon and were there for a couple of hours.
Rajasthan chief minister Raje and her Himachal Pradesh counterpart Singh conveyed to Amarinder and other members of the erstwhile Patiala royal family their deepest sympathies and condolences.
Fomer SGPC president Avtar Singh Makkar, Namdhari head Satguru Dalip Singh, former SAD ministers Hira Singh Gabria and Daljit Singh Cheema, former BJP minister Manoranjan Kalia and Akali leader Maheshinder Singh Grewal also met the Punjab chief minister.
On Wednesday, President Ram Nath Kovind and Union Finance Minister Arun Jaitley had telephoned Amarinder to condole the death of the Rajmata.
Amarinder is in Patiala. His mother passed away on Monday from a prolonged illness.