If a person has annual eligibility of LTA as 20000. He caryys forward his first year's 20000 to next year and then claims thsi 40000 LTA. will this 40000 entirely be non taxable suppose he holds it for 4 years then claims it once which is equal to 80000 then weather this 80000 is exempted or only 20000 20000 = 40000 is exempted
