Uddhav Thackeray accused the BJP of exploiting religious sentiments and mismanaging Ram Mandir donations.
An SIT investigation led to eight arrests regarding financial irregularities at the Ram Mandir.
Thackeray is touring constituencies where MPs defected to the Eknath Shinde-led Shiv Sena faction.
The Shiv Sena (UBT) leader announced plans for upcoming protests against the alleged temple looting.