1.The British policy of Divide and Rule.
2. Attitude of Muslim league & Mr. Jinnah.
3.Appeasement Policy towards Muslims.
4.Recommendation of various missions.
5.Failure of Interim Government.
6.Lack of Co-operation between congress and Muslim League.
7.Communal growth.
8.Hindu Muslim riots.
9.Role of communal parties and leaders.
No, the Partition was not avoidable as there was a situation of civil war in India.