: 1. Treaty of Alinagar (1757) Signed between Siraj-ud-Daulah (Nawab of Bengal) and the British East India Company. It restored British trading rights in Bengal and laid the foundation for the Battle of Plassey (1757). 2. Treaty of Allahabad (1765) Signed after the Battle of Buxar (1764) between the British and Mughal Emperor Shah Alam II, Nawab of Oudh Shuja-ud-Daula, and Mir Qasim (former Nawab of Bengal). The British got Diwani rights (revenue collection) of Bengal, Bihar, and Orissa, marking the beginning of British rule in India. 3. Treaty of Surat (1775) Signed between Raghunath Rao (Raghoba), a claimant to the Peshwa position, and the British. It led to British involvement in the First Anglo-Maratha War (1775-1782). 4. Treaty of Purandar (1776) Signed between the British and Marathas during the First Anglo-Maratha War. It annulled the Treaty of Surat and recognized Madhav Rao II as the Peshwa. 5. Treaty of Salbai (1782) Ended the First Anglo-Maratha War between the British and Marathas. It restored pre-war territories and ensured peace for 20 years. 6. Treaty of Seringapatam (1792) Signed after the Third Anglo-Mysore War between Tipu Sultan and the British (led by Lord Cornwallis). Tipu Sultan lost half of his territory to the British and their allies. 7. Treaty of Bassein (1802) Signed between the British and Peshwa Baji Rao II. Allowed the British to station troops in Maratha territory, leading to the Second Anglo-Maratha War (1803-1805). 8. Treaty of Amritsar (1809) Signed between the British and Maharaja Ranjit Singh of Punjab. It defined British and Sikh territories, preventing Ranjit Singh from expanding into British-controlled regions. 9. Treaty of Yandabo (1826) Signed after the First Anglo-Burmese War (1824-1826). The British annexed Assam, Manipur, Arakan, and Tenasserim. 10. Treaty of Lahore (1846) Signed after the First Anglo-Sikh War. The British took control of Jammu and Kashmir, which was later sold to Gulab Singh under the Treaty of Amritsar (1846).