The correct answer is: 2018.
SAI National Boxing Academy (Rohtak) was established in 2018. It is a residential academy for training young boxers. The academy is affiliated to the Sports Authority of India (SAI) and is located in Rohtak, Haryana. The academy has a state-of-the-art training facility and is equipped with all the necessary amenities for training boxers. The academy has produced some of the best boxers in India, including Vijender Singh, Mary Kom, and Amit Panghal.
Option A: 2016 is incorrect because SAI National Boxing Academy (Rohtak) was not established in 2016.
Option B: 2017 is incorrect because SAI National Boxing Academy (Rohtak) was not established in 2017.
Option C: 2018 is the correct answer because SAI National Boxing Academy (Rohtak) was established in 2018.
Option D: 2019 is incorrect because SAI National Boxing Academy (Rohtak) was not established in 2019.