Yadav shot the woman in the back while the other two accused stabbed her and her brother with a sharp-edged weapon.
The woman sustained multiple injuries in the head, legs, hands and shoulders, they said.
An FIR has been registered in the matter based on a complaint lodged by the woman’s family.
According to the FIR, Yadav allegedly raped the woman on January 16 last year and was subsequently arrested and fired from his job.
He recently came out on bail and started threatening the woman to withdraw the case against him.
Yadav attacked her as she did not withdraw the case, the FIR stated.
Mahipal and Rahul were arrested on Sunday.
Yadav is on the run, police said.
They said the FIR against the accused has been registered under sections 307 (attempt to murder), 323 (voluntarily causing hurt) and 506 (criminal intimidation) of the Indian Penal Code and provisions of the Arms Act.
