<prompt> Kala azar cannot occur at an altitude of;400 meters500 meters600 meters200 meters  <response>: Kala-azar or Visceral leishmaniasis VL is a disease of low altitude approximately 500 meters mean sea level. In India, however cases have been repoed from sub-Himalayan region 350-960 meters MSL of Kumaon region of Uttaranchal. 