After the PMK, it is now the turn of CPM to get their share of the constituencies for the Lok Sabha polls in the State. The AIADMK chief J Jayalalithaa and the CPM state secretary N Varadarajan have formally reached a seat sharing agreement earlier today in Chennai. According to the pact, the Left Party would contest in three parliamentary constituencies in Tamil Nadu including Madurai, Coimbatore and Kanyakumari.