The number of political prisoners in Russia has gone up to 297, according to pro-democracy movement Open Russia.
Crimean filmmaker Oleg Sentsov is serving a long jail sentence on terrorism charges.
He is among the most high-profile 77 cases of political prisoners.
Russia’s Memorial human rights group said Russia’s criminal law is restricting the fundamental freedom of the people and measures are needed that support and promote strengthening of democracy in the country.
Two teenage girls are charged with extremism.
Pro-democracy Open Russia movement coordinator Vladimir Kara-Murza said at a session of the UN Human Rights Council to speak out for justice on the behalf of those who are deprived of it at home.