Salary return from fy 2006-07 to fy 2017-18

PLEASE TELL WHEN HE RECEIVED MONEY PLZ MENTION MONTH AND YEAR 

IF you get this salary during 2017-18 then you must include this income in your AY 2018-19. 

You can treat it as an arrear salary and claim  89 (1) 

Due date for This assessment year is over but you can file it by pay late fee

If you don't pay advance tax on this amount you need to pay interest on that tax liability too.