Answer:
Starting from nine (9) reserves in 1973-74 the number is grown up to twenty nine (29) in 2006. A total area of 38,620 km2 is covered by these project tiger areas, which is 1.17% of the total geographical area of the country.
There are teo kind of tiger-bio reserve in india...........They are pariyar tiger-reserve & sariska tiger-reserve.