Congress leader Priyanka Gandhi is leading by a margin of over 96,000 votes in Kerala's Wayanad, where parliamentary by-election was held to fill the vacancy left by her brother Rahul Gandhi when he moved to Raebareli. Ms Gandhi, who is making her electoral debut from Wayanad, has won over 1.4 lakh votes so far. CPI veteran Sathyan Mokeri is trailing with about 47,000 votes while the BJP's Navya Haridas is in the third spot with about 27,000 votes.