Senior BJP leader and MP Gopinath Munde and BJP state unit president Sudhir Mungantiwar were detained from suburban Andheri, for staging a road blockade, police said.
Hundreds of BJP activists have also been detained with them by the police.
On vandalisation of properties in many parts of the state, Munde said the Government is solely responsible for the damage.
The situation of calling a bandh has arised due to the Government, he alleged.
Senior Shiv Sena leader Subhash Desai said it is a spontaneous reaction of the people and the bandh has received good response.
Meanwhile, several Sena activists were detained near Sena Bhavan in Dadar for staging a protest.