The Capital gains on the sale of all shares which is listed (other then Debunture, MFs), held for more than 12 months, is treated as Long Term Capital Gain. Unlisted securities and immovable property have to be held for more than 24 months to qualify for LTCG. All other types of capital assets, including debt-oriented MFs, sale post 36 months will qualify as LTCG. Short Term Capital Gains (STCG)-When securities (listed/equity oriented MF/zero coupon bonds) are held for upto a year.
The changes in these taxes have been explained in a video by CA Girish Ahuja, Member of AP Shah Committee on Direct Taxes.