One hot summer evening when Nisha Vaishnav was 14, she and her 18-year-old sister Munna were at football practice when they noticed five adult strangers taking photos of them. Nisha soon found out why they were there - the group were from the same family and included a couple looking for a wife for their son. Nisha's mother, who was also present, was keen to encourage the possibility of marriage. They all went back to the Vaishnavs' home in the village of Padampura, in the state of Rajasthan,