It was a joke.” Hundreds of videos can be found online instructing pupils how to cheat using smart watches – which are officially forbidden in exam halls along with mobile phones.

Technology that wouldn’t look out of place in a Hollywood spy movie is being marketed at students to help them cheat in exams.

André Ataíde is accused of being hired by 30 students to take 107 med-school entrance exams.

A teacher in a government school in Haryana’s Jhajjar town was filmed helping students cheat during the Class X board exams. (Screen grab) ...