nandamuri balakrishna,balakrishna birthday celebrations,simha 50days,nbk special,nbk birthday,balaiah birthday news,paramaveerachakra news,details,report,paramaveerachakra opening,balaiah duel role in paramaveerachakra nandamuri balakrishna,balakrishna birthday celebrations,simha 50days,nbk special,nbk birthday,balaiah birthday news,paramaveerachakra news,details,report,paramaveerachakra opening,balaiah duel role in paramaveerachakra