KATHMANDU — The constitution here guarantees the right to marry anyone, but that didn’t matter when Manoj Kumar Ram, a 22-year-old Dalit, married a woman from a higher caste. Instead, his wife’s family accused him of kidnapping her, and Ram landed in jail. Ram’s wife, Babita Isar, says her father wanted to marry her off to a man in India, even though she was romantically involved with Ram. So, the couple ran away. In response, Isar’s father filed a complaint, claiming that Isar, who was 21 at the time, was 12 years old, and kidnapped by Ram. “She looks big and older because of her diet,” says …