<prompt> The vitamin A supplement administered in Prevention of nutritional Blindness in children programme contain25,000 IUml1 Lakh IUml3 Lakh IUml5 Lakh IUml  <response>: Under the National Vitamin A Prophylaxis Programme, children between 1 5 yrs of age were given oral dose of 2 lakh IU, every 6 months. But due to inadequate coverage, currently this vaccine is being given to children under 3 yrs under routine immunization to improve coverage i.e, 1lakh IU- 9months; 2lakh IU- 15 to 18 months According to NPPNB, Vit A 2 lakh IU orally is given every 6 months to pre school children,1-6yrs And half the dose 1lakh IU orally to children age between 6 months and 1 yr of age. Ref: Ghai , 9th edition chapter 8; PSM 25th edition. 