British sent Mehdi Ali Khan as their ambassador to Persia. He compelled and pressed the Persian king so much that he did not come to Tipu Sultan's assistance.
kingdom of Mysore (Mysuru) in south India. For his generalship in war, reforms as a ruler and formidable energies in defending and expanding his kingdom, Tipu Sultan could reasonably be regarded as the Napoleon of India. In fact Napoleon himself planned to ally with Tipu Sultan to drive the British from India, but never got further than Egypt. By an irony of history both Tipu and Napoleon were eventually defeated by the same general, Arthur Wellesley, commanding East india Company forces in India, and, as Duke of Wellington, heading the Coalition armies at Waterloo. A substantial wikipedia entry provides much more detailed information about Tipu Sultan's career and the turbulent conflicts among warring states in late 18th-century India.