According to prosecution sources, the latest order was passed by the court of additional chief Judicial magistrate.
On October 18 also, a local court had remanded the BSP MLA to 14-day judicial custody.
Dholpur MLA Kushwaha was arrested last month, in connection with a murder case, after he surrendered before the Rajasthan police in Jaipur.
Khushwaha was arrested for an alleged murder which took place in December 2012 in Dholpur.