National Vitamin A Plus Campaign 2017. Rover Scouts and Girl in Rover Scouts of Sylhet Technical School and College were in charge. The rule for feeding a red capsule is: 12 months to 59 months i.e. 1 year to 5 years. And the rule of feeding a blue capsule is for children from 6 months to 11 months i.e. from 6 months to 1 year.