The Navy launched 'Operation Vanilla' in support of the national disaster in flood-hit Madagascar and diverted a large amphibious ship to provide assistance. INS Airavat, which was mission deployed has been diverted for the same, the Indian Navy said in a statement. Madagascar has been hit by a cyclone and there has been heavy flooding and landslips since last week causing loss of lives and displacement of a number of people. According to reports, more than 92,000 people have been affected.