Final answer:
Lord Cornwallis introduced Permanent Settlement, Lord Dalhousie implemented Doctrine of Lapse, Lord Curzon oversaw the partition of Bengal, and Lord Mountbatten oversaw India's independence and partition.
Step-by-step explanation:
During the period of British rule over India, several government generals played significant roles. Lord Cornwallis introduced the Permanent Settlement, which aimed to establish a fixed revenue system in Bengal. Lord Dalhousie implemented the Doctrine of Lapse, which allowed the British to annex Indian states without heirs. Lord Curzon oversaw the partition of Bengal, separating it into two administrative divisions. Lastly, Lord Mountbatten was responsible for overseeing India's independence and partition in 1947.