NC means Not Confirmed, i.e your ticket has not been confirmed after chatting done. If you having online ticket it will automatically cancelled and if it is counter ticket you can travel with it but not in premium trains like Rajdhani and shatabdi. read more
Yes, your ticket is confirmed. As per PNR status, you have a confirmed seat #16 - side upper berth - in the B1 coach of the train. The NC or No Choice indicates that you didn't specify a berth preference while booking, or it wasn't available. read more
NC means, 'No Choice'. for example, during booking you have made 'Lower Berth' as berth preference, and at the time of allotment of seat it is not available, and you are allotted 'Upper Berth' then your status of Ticket will show you NC at the end, as your choice seat is not available. read more