Unanswered Questions of 2015

By and large year 2015 passed peacefully, but three questions left unanswered.
1. Why Katappa killed Bahubali?
2. Who was driving Salman's car?
3. How many husbands did Indrani Mukherjee have?

Finally the answer...

The missing husband of Indrani was driving Salman's car and told Katappa to kill Bahubali because Bahubali saw the accident.