Complex sentence: Dani worked on Mohenjo-daro excavation in 1945 alongside Mortimer Wheeler, and also excavated the pre-Indus Civilization site of Rehman Dheri in northern Pakistan.
Split into simpler sentences: Dani worked on Mohenjo-daro excavation in 1945 alongside Mortimer Wheeler. He excavated the pre-Indus Civilization site of Rehman Dheri in northern Pakistan.