However, visitors will be required to register online in advance.
The ministry also said that all zoos will be required to limit the number of visitors to a maximum of 2,000 persons per day.
Free entry will be given from June 15 until June 30 and 50-per cent discount will be offered from July 1 onward.
Social distancing will be maintained at the zoo premises with standing line marks on the floor.
However, some air-conditioned and small enclosed areas will be closed.
Visitors will have to undergo body temperature checks at the entrance. Alcohol-based hand sanitizers will be provided around the zoos.
Meanwhile, out of all 155 national parks across the country, 127 national parks will reopen on July 1.
About half of the resumed national parks or 64 will fully reopen while the rest will partly open.
Twenty-eight others will remain closed.
Visitors must also make an advance reservation online.
The ministry ordered the closure of zoos and parks in mid March to stem the spread of the Covid-19 pandemic. Enditem