Mumbai - The Municipal election is round the corner and the heavyweight parties and leaders are shuffling from one party to another. In this regard, there was a huge blow for BJP and Mumbai party President Ashish Shelar. Mumbai trade Union's President Irfan Sheikh along with 450 minority party workers joined Shiv Sena. A few days back, former MLA Suresh Gambhir and Sunil Ganacharya of Shiv Sena joined BJP. Incoming and outgoing of respective parties are in full swing.