Capital gains for shares

Nimish Gupta (20 Points)

01 August 2018  
1. If right shares are transferred in long term and STT has been paid, will the LTCG be exempt u/s 10(38)?
2. If right shares transferred in long term but STT not paid, then will the cost of acquisition be indexed?
3. Can there be LTCG on renouncing of right shares?