On Friday, searchers found the body of Soumya Thottapilly, the 38-year-old wife of Sandeep and mother of Saachi, and made a positive identification of the remains on Sunday.
The body of a 12-year-old boy was found in a California river, 6 miles away from where the rest of his family was found dead.
The authorities in Northern California have recovered and identified the bodies of three out of four members of a California family who disappeared while on a road trip earlier this month.
On Sunday, searchers discovered a vehicle in the river about a half-mile downstream of the reported crash site, near Leggett, the sheriff's office said.
"At approximately 4:00 PM water searchers located the body of a juvenile male submerged in the Eel River approximately 6 miles north of the reported crash site", it said.
Investigators have found and identified the bodies of three family members who vanished while on a road trip from OR to California.
Cindy Bartley, assistant to Chief Deputy Coroner Shannon Barney, told India-West that the bodies of Sandeep, Soumya, and Saachi are now with the coroner's office.
The Federal Bureau of Investigation (FBI) is reportedly contributing to the search operations launched to locate the Indian family that has been missing for over a week in California.
Searchers have been combing the river for days, by boat and air as weather and water conditions improved. The smell of gasoline coming from the water led divers to the vehicle, which was covered in sediment and resting at least four feet underwater, according to the Mendocino County Sheriff's Office.
Rescue workers have been using helicopters, boats equipped with sonar, kayaks and river boards.
Autopsies are expected to be performed later this week.
The California Highway Patrol reported April 6 that a witness had seen a vehicle go over the side of a steep embankment on US-101, south of Dora Creek in Northern Mendocino County.