Health Minister Mohammad Nasim inaugurated the campaign at the compound of Pabna General Hospital around 11am.
Around 25 lakh children, aged between six months and 11 months and around 1.94 crore children, aged between 12 months and 59months, are being fed the capsules under the national programme.
Children, aged between six and 11 months, are being given the blue-coloured high-powered Vitamin A capsules, while children, aged between 12 to 59 months, will receive the red-coloured ones at some 120,000 permanent health centres across the country.
Besides, additional 20,000 mobile centres have been set up at bus stands, railway stations, launch terminals, airports, ferry terminals, bridge toll centres and kheya ghats.
The campaign in the remote areas under 240 unions in 42 upazilas of 12 districts will be held from July 15-19 under special arrangements.