Well here is the Sikh Prime Minister of India calling it the Indian Battle of Independence and the people involved freedom fighters. 

http://www.hinduonnet.com/thehindu/nic/pmiday.htm

http://www.hindustantimes.com/StoryPage/StoryPage.aspx?id=56435042-8bfe-4843-ba48-a85d0d075399&ParentID;=7ec3a2e5-2187-4e29-a9bb-45e55e04796e&MatchID1;=4602&TeamID1;=6&TeamID2;=7&MatchType1;=1&SeriesID1;=1157&PrimaryID;=4602&Headline;='1857+revolt+tribute+to+Hindu-Muslim+unity'