Bajrang defeated Takatani Daichi of Japan 11-8 in the summit clash to claim the top honours.
Two-time Olympic medallist Sushil Kumar was stunned by Bahrain's Adam Batirov in the 74 kg category qualifier.
Deepak Punia emerged champion in the 86 kilogram category while Sachin Rathi won gold in the 74kg freestyle division.
Babita Phogat said that she would continue to work towards achieving an Olympic medal till the time she bags it.
Sumit Malik won the men's Freestyle 125 kg decider by forfeit after Nigeria's Sinivie Boltic was forced to pull out with injury.
Indian wrestlers added more gold medals to the Indian tally.
Indian wrestler Sumit Malik claimed the gold medal in the men's freestyle 125 kg after his opponent Nigeria's Sinivie Boltic was ruled out of the final due to an injury at the 21st Commonwealth Games in Gold Coast on Saturday.
Bajrang Punia was unstoppable in the 65kg category as he won all his bouts at CWG 2018 by technical superiority.
Geeta Phogat and Babita Kumari are members of Indian women's wrestling's number one family.
Sushil Kumar has been in the news for all the wrong reasons in the recent past.
A dominant Sushil registered a 10-0 win over South Africa's Johannes Botha in the Men's Freestyle 74 kg final at the Carrara Sports Arena 1.
Aware defeated Canada's Steven Takahashi in men's Freestyle 57kg wrestling final to claim the top honours.
This is the first medal for India in wrestling at the Games.
India's most decorated wrestler Sushil Kumar, with already two golds in the previous two Commonwealth Games (2010 and 2014), is hoping for a hat-trick at the upcoming Gold Coast Games from April 4-15.
Sakshi Malik was the first Indian woman wrestler to win an Olympic medal.
Sushil Kumar's name, which was missing from the official website of the CWG 2018, has now been added to the entry list of wrestlers.
Sushil Kumar is a two-time defending champion at the Commonwealth Games.
Bajrang Punia, who was the defending champion in the men's 65 kilogram freestyle category, defeated Yones Aliakbar Emamichoghaei of Iran 10-4 in the play-off to take the bronze.