He also engaged in defending the western fronts of Nahan, Chamba, Almora, Kangra, Saharanpur, Dehradun against his British counterpart, General David Ochterlony.
From 1806 to 1815, the Gurkha General Amar Singh Thapa used Arki as his stronghold to make further advances into Himachal Pradesh as far as Kangra.
Further west, general Amar Singh Thapa overran lands as far as the Kangra – the strongest fort in the hill region – and laid siege to it (although by 1809, Ranjit Singh the ruler of the Sikh state in the Punjab, had intervened and driven the Nepalese army east of the Sutlej river).
Manmohan Singh | Maharaja Ranjit Singh | Anurag Singh | Yuvraj Singh | Ranjit Singh | Jagjit Singh | Vijay Singh | Guru Gobind Singh | Bhagat Singh | Karan Singh | Khushwant Singh | Jai Singh I | Hari Singh | Talvin Singh | Simranjit Singh Mann | Parkash Singh Badal | Yograj Singh | Upasana Singh | Tiger Jeet Singh | Satendra Singh | Raj Singh | Mulayam Singh Yadav | Karamjit Singh | Harbhajan Singh | Amar'e Stoudemire | Amar Chitra Katha | Ajit Singh | Sukhbir Singh Badal | Rawal Ratan Singh | Rajendra Singh |