HH Maharaniji Parmarji Shri Basant Kunwarba Saheba d.of HH Maharana Raja Pratap Sinhji of Santrampur State Gujarat Maharaj Ranbir Singhji Maharajkumariji Gulab Kanwarji m.to Colonel HH Hatendra Shiromani Deo Sar Buland Rai Maharajadhiraj Maharao Raja Shri Sir Bahadur Singh of Bundi State Rajasthan Maharajkumariji Chandra Kanwarji m.to Rao Brajendra Singhji of Baler Estate Uttar Pradesh Major-General Maharaja Shrimant Sir Sajjan Singh Bahadur GCIE KCSI KCVO (13 January 1880 – 3 February 1947) was an esteemed British Indian Army officer and Maharaja of the Princely State of Ratlam State in modern-day Madhya Pradesh, ruling from the year 1893 until 1947, six months before the independence of India from the imperial British Rule .

He served with the Imperial Cadet Corps, Dehradun, and reigned under a regency until he came of age in 1898.

Commissioned an honorary Captain in the British Indian Army in 1908, he was promoted to major in 1911 and served on the Western Front during the First World War from 1914 to 1915.

He also served in the Third Anglo-Afghan War as aide-de-camp to the General Officer Commanding 1st Division on the North-West Frontier.

[2] Singh subsequently served as an honorary and extra ADC to George VI until 1947.