Prime Minister Narendra Modi is constantly monitoring the situation of encephalitis-hit Muzaffarpur in Bihar.  <br />'' <br />'' In a tweet,  Health Minister Dr Harsh Vardhan said,  he had gone to Muzaffarpur as per  Prime Minister Modi's instructions. <br />'' <br />'' The Minister said Centre is providing all possible support to the Bihar Government based on Prime Minister's guidance. He added that Centre is committed to defeating this illness.<br />''