Explanation:

1.  The Treaty of Salbai was signed on May 17, 1782, by representatives of the Maratha Empire and the British East India Company after long negotiations to settle the outcome of the First Anglo-Maratha War.

2. The Treaty of Seringapatam , signed 18 March 1792, ended the Third Anglo-Mysore War.

3.  The Treaty of Bassein was a pact signed on 31 December 1802 between the British East India Company and Baji Rao II, the Maratha Peshwa of Pune in India after the Battle of Poona.

4.   The Treaty of Amritsar, signed on 16 March 1846, formalised the arrangements in the Treaty of Lahore between the British East India Company and Gulab Singh Dogra after the First Anglo-Sikh War.