law: The Lotteries (Regulation) Act, 1998
  
  
   4. Conditions  
  
  subject  to which lotteries  may  be  organized,  etc.-
  A  State  Government  
  
  may  organize, conduct  or  promote  a  lottery, 
  
  subject to the following conditions, namely:-
  prizes shall not be offered on any 
  
  pre-announced number or on  the basis of a single digit;
  the State Government shall print the 
  
  lottery tickets bearing  the  imprint  and  log  of  
  
  the State in  such  manner  that  the  authenticity of 
  
  the lottery ticket is ensured;
  the State Government shall sell the 
  
  tickets either itself or  through distributors or selling agents;
  the proceeds of the sale of lottery 
  
  tickets shall be credited  into the public account of the State;
  the  State Government itself 
  
  shall conduct the draws of  all  the lotteries;
  the  prize  money  
  
  unclaimed  within such  time  as  may  be  
  
  prescribed  by the State Government or not otherwise distributed,  
  
  shall become the property of that Government;
  the  place  of  draw  
  
  shall  be  located  within  the  State  concerned;
  no lottery shall have more than one 
  
  draw in a week;
  the  draws  of  all 
  
  kinds of lotteries  shall  be  conducted between  such 
  
  period of the day as may be prescribed by the State Government;
  the  number of bumper draws of a 
  
  lottery shall not  be  more than six in a calendar year;
  such  other conditions as may be 
  
  prescribed by  the  Central Government.