KARACHI: The annual three-day congregation of Tablighi Jamaat shall  start  on January 31 in Karachi.The devout gathering attended by tens of thousands of people from across country is  held in  Karachi&s Orangi Town  area. Also read:  Deobandi clerics meet to avoid Tablighi Jamaat&s crisisFrom security to parking to food arrangements to water supply, organizers heavily rely on volunteers   with little help from government agencies. The organizers have  drawn a map featuring  sitting arrangements for participants, library ,   dispensary, parking places and  washrooms  .It shows over  a dozen entry points have been set up  to facilitate  large number of people  expected to attend congregation.The Tablighi Jamaat's largest  congregation is held annually  in Raiwind approach Lahore which takes place in two sessions.