While the BJP is desperately attempting to secure support of more and more political parties to ensure its victory in the coming Lok Sabha polls, its growing proximity with the Raj Thackeray led MNS has annoyed its old ally in Maharashtra - Shiv Sena. br br Uddhav Thackeray-led Shiv Sena, which is reportedly upset with BJP's attempt to win over Raj Thackeray's MNS ahead of Lok Sabha polls, on Tuesday said that the latter is not required in the National Democratic Alliance (NDA) and assured that nobody can make a dent in its traditional Maratha vote bank.