Car loan is exempted for an author

Tax Solve (Assistant) (49 Points)

29 January 2016  

Respected Sir,

My Mother and father is an author. They receive Royalty income. If anyone of them purchase a car by car loan or by cash...Can they get any benifit in Income Tax 2016-17? They regulary e filing of ITR 2. Kindly help me with mentioning the proper IT article. 

Thanks in advance