Overview

• Mother-and-son duo reclaimed first place in the penultimate stage and now leads the final stretch to Kanyakumari
• Siblings Brian and Melvyn dropped to last after a 17-hour setback following a detour through a vineyard
• Sioned and Fin recovered from a 33-hour transport delay to hold third place as the finish nears
• All four teams have covered more than 14,000 km from the Great Wall of China through Nepal to India on a shoestring budget
• The BBC One finale airs tonight at 9 pm, when the winning pair will claim the £20,000 prize