In India, the first major public appearance of Mahatma Gandhi was at the inauguration of Banaras Hindu University in 1916. This was a significant moment for Gandhi because it marked his entry into the public sphere and his emergence as a prominent leader in the freedom struggle against British rule.

Option 1, Champaran, is not the correct answer. While Gandhi`s involvement in the Champaran Satyagraha in 1917 was a crucial episode in his political activism, it was not his first major public appearance.

Option 2, Kheda, is also not the correct answer. The Kheda Satyagraha took place in 1918 and was another important event in Gandhi`s nonviolent resistance movement, but it did not mark his first major public appearance.

Option 4, Rowlatt Satyagraha, is not the correct answer either. The Rowlatt Satyagraha was a nationwide protest against the repressive Rowlatt Act in 1919, and although Gandhi played a leading role in this movement, it was not his first major public appearance.

Therefore, the correct answer is option 3 - the inauguration of Banaras Hindu University in 1916. This event showcased Gandhi`s leadership skills and his commitment to social and educational