The correct answer is option 1 - Dadabhai Naoroji. Dadabhai Naoroji was the first Indian to be elected to the British Parliament. He was elected as a Liberal Party member in 1892 from the seat of Central Finsbury in London. Naoroji was a prominent figure in the Indian National Congress and played a significant role in advocating for Indian rights and representation in the British government. He was a staunch supporter of economic and political reforms for India and is often referred to as the "Grand Old Man of India". Naoroji`s election to the British Parliament marked a significant milestone in Indian history, as it demonstrated the determination and capabilities of Indians in fighting for their rights and representation in the colonial government.