Giving a state-wise breakup, the ministry said six positive cases have been reported in Delhi while 10 people were diagnosed with the infection in Uttar Pradesh till Thursday.
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Karnataka reported four cases, Maharashtra 11 and Ladakh three.
Rajasthan, Telangana, Tamil Nadu, Jammu and Kashmir and Punjab have reported one case each, the ministry said.
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Kerala has till now reported 17 cases, including three patients who were discharged last month after they recovered from the infection.
The total number of 73 confirmed cases includes 16 Italians tourists and one more foreign national, the ministry said.