Employment in Dubai - Filing Income Tax Return required?

One needs to file the return in India only when the total income in India exceeds the minimum threshold limit. Present limit is Rs. 1.6 lacs p.a.

U/s 139(1), every person whose total income during the previous year exceeds Rs 50,000 shall, on or before the due date, furnish a return of his income in the prescribed form. Similarly, every person who falls under the 1-by-6 criterion also is required to file the returns even if his total income is below Rs 50,000.