Generally, long-term capital gains are charged to tax @ 20% (plus surcharge and cess as applicable), but in certain special cases, the gain may be (at the option of the taxpayer) charged to tax @ 10% (plus surcharge and cess as applicable). The benefit of charging long-term capital gain @ 10% is available only in respect of long-term capital gains arising on transfer of any of the following asset:
(a) Any security which is listed in a recognised stock exchange in India;
(b) Any unit of UTI or mutual fund (whether listed or not); and
(c) Zero coupon bonds.
For details refer: capital-gains-tax-simplified