KATHMANDU, August 30: The Election Commission has fixed 3,578 polling centers for the third-round of elections taking place at 136 local levels of eight districts in Province No. 2. Sarlahi, Saptari, Dhanusha, Mahottari, Rautahat, Siraha, Bara, and Parsa are holding the local level elections. Among these districts, Sarlahi has the maximum 20 levels and Mahottari has the least number-15 levels.