A total of 16 candidates, most of them independents, filed their nominations to contest in the upcoming Wayanad by-poll. The last date for withdrawal of nominations came to an end on Wednesday. Congress' Priyanka Gandhi Vadra is making her electoral debut in the by-poll. Meanwhile, BJP-led NDA has fielded Navya Haridas, while LDF has fielded Sathyan Mokeri on the seat.