You need to refer to the Income Tax Act for the same. Please refer to [Income Tax India](http://www.incometaxindia.gov.in/publications/9_Income_Tax_For_NRI/Chapter003.asp).
Guidelines for Car Loan Taxability
The thumb rule in your case should be: If the car EMI is not part of the CTC, not for personal use, registered in the company name, used for official purposes only (at least on paper), and registered in the company's name, then there will be no income tax applicable.
Regards,
Govind