A large number of Indian workers, agitating for their salaries, were allegedly fired at on May 9 and many of them were imprisoned and provided no medical aid, he said in a letter to Union Minister for Overseas Indians Affairs Vayalar Ravi.
"I request you to enquire immediately about the fate of the Indian workers in Angola and ask the Indian embassy to intervene and discuss with Angola government and do justice to them," Reddy said in the letter.
One third of the workers are from Andhra Pradesh, while others belong to different states, he said.
Meanwhile, Andhra Pradesh Chief Minister N Kiran Kumar Reddy directed the Chief Secretary to take up the issue with the Ministry of External Affairs.
Reddy sought that all steps be taken to protect the citizens of Andhra Pradesh, a release from the Chief Minister's Office said.