A 55-year-old woman was assaulted and paraded semi-naked here allegedly by her son's in-laws after he got married against the wishes of the bride's parents, police said on Saturday. Four people of the five booked over the incident were arrested on Saturday, Station House Officer Sunita Bawa said. The incident occurred on March 31 in a village, a few days after the victim's son eloped with a woman and married her against her family's wishes, police said.