India's health ministry denies supply disruptions, but activists allege a shortage of essential drugs.
For more than three weeks, Jaiprakash, who lives in India's capital, Delhi, has been taking 11 tablets a day instead of the two he is supposed to take.
For weeks, he and other members of an HIV activist group have been protesting in front of the Delhi office of the National Aids Control Organisation - the federal agency that procures drugs from pharmaceutical firms by issuing tenders.
"There is no stock-out of drugs and there are no instances of disruptions or non-availability of treatment services or ARV medicines at the national and state levels," the ministry said in response to the BBC's questions.
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