The correct answer is: Mother Teresa.
Mother Teresa was awarded the first Rajiv Gandhi National Sadbhavna Award in 1993. The award is given to individuals or organizations that have made significant contributions to promoting peace, harmony, and understanding among people of different faiths and cultures.
Mother Teresa was a Catholic nun who founded the Missionaries of Charity in Kolkata, India. She dedicated her life to helping the poor and sick, and she was awarded the Nobel Peace Prize in 1979.
Archarya Tulsi is a Hindu spiritual leader and social activist. He is the founder of the Sant Nirankari Mission, a non-profit organization that works for social upliftment and communal harmony.
Dr. J. Rengaswamy is a medical doctor and social activist. He is the founder of the Dr. J. Rengaswamy Charitable Trust, a non-profit organization that provides free medical care to the poor.
J. R. D. Tata was an Indian industrialist and philanthropist. He was the founder of the Tata Group, one of the largest conglomerates in India.
All of these individuals have made significant contributions to society, but only Mother Teresa was awarded the first Rajiv Gandhi National Sadbhavna Award.