Regarding double taxation query(india and japan)

senthil (Software consultant) (28 Points)

05 March 2014  

I am a software professional and
was in Japan from 08/10/2009 to 28/06/2010
continuously and got salary half from india and another half from japan.

My company deducted 20% tax as non-residence tax from japan salary and paid to japan government.
and also deducted the income tax from indian salary and paid to indian government.

but i got notice from income tax department regarding to submit docuemnts for earningsboth india and japan.

Please suggest me and provide the solution.

whether i should pay tax for the periods 2009-2010 and 2010-2011
which i earned in japan during that periods?