Talking to the media before giving himself up to the law, he said that he was arrested in a fake case and will be released soon.
Shahzain Bugti surrendered along with his 26 guards with whom he had been implicated in an illegal arms possession case in December 2010.
Interior Minister Rehman Malik and Interior Minister Balochistan Mir Zafarullah Khan Zehri were also present when he gave himself up to the official.
On Friday, a non-bailable warrant was issued to Shahzain Bugti and 26 of his guards.