I have joined the organization in the month of Dec '10 and how much I need to pay tax for the income earned in the last four months (Dec '10 to Mar '11), if my annual package is 5 lacs?

Please be aware that this forum is specifically for questions involving US taxes. Since you are asking about taxes in India you may not get a response.

Try posting your question at the website below:

mytaxes - Index (http://mytaxes.in/)