Surveyors General in the  Presidencies 1767-1815 A. Bengal 1767-1777 James Rennell 1777-1786 Thomas Call 1786-1788 Mark Wood !788-1794 Alexander Kyd 1794-1808 Robert Colebrooke 1808-1813 John Garstin 1813-1815 Charles Crawford. B. Bombay 1796-1807 Charles Reynolds 1807-1815 Monier Williams C. Madras 1810-1815 Colin Mackenzie Surveyors General of India 1815-> 1815-1821 Colin Mackenzie 1821-1823 ( continue reading… )