Owing to strained relations with his father, Amar Nath had to quit his government post during the first Anglo Sikh war. But, being a man of letters, he continued enjoying an annual pension of 1,200 rupees, which was raised to 4,000 rupees after the death of his father in 1857. Besides some poetry, Amar Nath wrote the Zafar Namahi Ranjit Singh, a chronicle, in Persian, of the reign of Maharaja Ranjit Singh up to 1835-36. The work was edited by Sita Ram Kohli and published in 1928. Amar Nath died in 1867, his elder son, Diwan Ram Nath, succeeding him in hisjagir.
References :
1. Suri, Sohan Lal, `L/mdat-ut-Twankh. Lahore, 1885-89
2. Griffin, Lepel, Ranjit Singh. Delhi, 1957
3. Gupta, Hari Ram, Panjab on the Eve of First Sikh War. Chandigarh, 1956
4. Khushwant Singh, Ranjit Singh: Maharajah of the Punjab. Bombay, 1962