What is the Ankita Bhandari case, and why has Rahul Gandhi added weight to her parents’ protest

Ankita Bhandari, a 19-year-old woman, was found dead in Uttarakhand, India, on September 20. Her parents allege that she was murdered by a local politician's son and his friends. Rahul Gandhi, a prominent opposition leader, has joined the protests demanding justice for Ankita, adding weight to the case.