Maharaja Mangal Singh Prabhankar was the 6th Maharaja of Alwar (1874/1892) born 1859, adopted from Thikana Thana, installed upon the gaddi on 14th December 1874, in preference to Kunwar Lakhdir Singh of Bijwar, Maharaja [cr.1889], G.C.S.I., married (amongst others), (a) 1877, the second daughter of Maharaja Prithvi Singhji of Kishangarh, married (b), 1878, a daughter of Raja Bhairon Singhji of Ratlam, and had issue. He died 23rd May 1892 in Nainital due to alcoholic poisoning.
| Preceded by Shoedan Singh Prabhankar Bahadur |
Maharaja of Alwar 1891 – 1937 |
Succeeded by Jai Singh Prabhakar Bahadur |