The actress is currently receiving treatment for head injuries in a city hospital.
The mishap occurred when the actress' Mercedes collided with an Alto car, leaving the four people travelling in the Alto car severely injured.
Meanwhile, an eyewitness has claimed that a child was killed in the accident.
"The child who has died was in the Alto, was a resident of Lal Chowk. Hema was in Mercedes. Both of the vehicles collided," said the eyewitness.
"It happened in Dausa. The exact location can only be told by the employees. Now, the MP has been brought here for treatment," added a police officer.