The Maratha Kranti Thok Morcha said its members will stage an agitation in Mumbai if the demands were not fulfilled by the state government in a week.
To extend the support to the Maratha agitation, district lawyers on Monday refrained from their daily judicial works in the court.
Shah's visit assumes significance against the backdrop of a meeting of all-party leaders called by Chief Minister Devendra Fadnavis here this afternoon on the issue of Maratha reservation.
Munde, who is the Rural Development Minister, in a veiled swipe at Fadnavis over the Maratha reservation issue, had recently said that she would not have delayed the decision if she was in-charge.
The agitation turned violent on Wednesday as Maratha outfits called for a bandh in Mumbai and surrounding areas.
Congressman Bharat Bhalke and NCP's Dattatray Vithoba Bharne submitted their resignations to the Vidhan Sabha speaker on Thursday night.
The decision was taken in the wake of the situation in areas like Kopar Khairne, which witnessed violence during the Maratha quota agitation yesterday, a police official said.
From a series of huge, silent and disciplined marches to violent demonstrations, the protest by the Maratha community now is an antithesis of their efforts to seek reservations.
One more protestor, Jayant Sonavne, who also attempted suicide yesterday by jumping into a river, is in a stable condition and undergoing treatment at the hospital.