Tax Planning

http://niftyprediction.blogspot.com/2009/02/indian-income-tax-act-tax-deductions.html
Saving tax on various exemptions
Practical 1-2

http://www.investmentyogi.com/blogs/taxes/default.aspx
Tax structuring in India
Practical 1 Good one

http://www.thinkplaninvest.com/2009/04/hra-and-tax-benefits/

Good illustration on HRA 0-1

http://www.indiainfoline.com/PersonalFinance/Calculators/Tax/HRA-Exemption.aspx

HRA Impact calculater 1