Urgent - notice u/s 142(1)

i think with in 4 years from the end of assessment year means now you may get 142(1) for AY 2009-2010 but not before that

Notice U/s 142(1)(1) requiring the assessee to file the Return of Income, the notice u/s 142(1)(i) can be issued only when an  aseessee fails to file the return of Income within due date specified u/s 139(1).

Further the notice can be issued even after the end of Assessment Year.