Professor Ishtiaq Ahmed talks about his book Punjab: Bloodied, Partitioned and Cleansed.
Link to book: https://www.amazon.com/Punjab-Bloodied-Partitioned-Cleansed/dp/8129129612/ref=sr_1_1?ie=UTF8&qid=1521397979&sr=8-1&keywords=ishtiaq+ahmed
Very interesting lecture by Professor Ishtiaq Ahmed on the reasons for the Punjab partition. Also very good responses during the Q&A.