Both Mauritania and Equatorial Guinea were constitutionally socialist at some point. Djibouti not so much, but it is currently under dictatorship by a party whose position is... fluid. I'll double check that one
"We, the people of India, having solemnly resolved to constitute India into a Sovereign Socialist Secular Democratic Republic and to secure to all its citizens."
This is in the preamble. Not to mention that it isn't a secret that India has had a socialistic economy for a long time and only recently started to open up.
Sudan 1969-1985
South Sudan 1969-1985
Venezuela under Chavez and Maduro
This is in the preamble. Not to mention that it isn't a secret that India has had a socialistic economy for a long time and only recently started to open up.