Why Govt. Employees Fully Exempted

Goongan (Student) (450 Points)

10 May 2007  
It is said that, thare is some thing reaison / fact / concept behind each provision / sec. / explation / proviso of act dear friends I interested to know forrowing,
> Why Long Term capital gain arising from slale of share & units is exempted u/s 10 (38) where as Short
     term capital gain on these is taxable?

> what is purpose behind Sec. 45(3) & Sec. 45(4)?

> why Co. & Firm is require to complusory filling ROI whather thare is profit or loss?

> why Deemed income (sec. 7) & Deemed profit (sec. 41) is tax although we not receive such income /
   profit in cash, how we wil pay tax?

> why commuted pension / grauity / Ieave encashment receive by Govt. employees is fully exempted?