The woman has alleged that Mr Shinde entered her house on pretext of discussing a real estate deal and sexually assaulted her, the police said.
The brother of a Maharashtra minister, Shashikant Shinde, has been arrested by the Satara police. The man, Rushikant Shinde, has been accused of rape by a 33-year-old woman.
The woman has alleged that Mr Shinde entered her house on pretext of discussing a real estate deal and sexually assaulted her, the police said.
Mr Shinde will be produced in a court later today.
Shashikant Shinde belongs to the Nationalist Congress Party or NCP, led by union minister Sharad Pawar. The party rules Maharashtra in partnership with the Congress.
More details are awaited.