Famous personalities are often bestowed with nicknames as a mark of endearment or admiration by the public or leaders. These nicknames reflect their notable achievements, contributions, or unique qualities, and serve as a way to honor and recognize their impact and significance in society.

It is subjective to determine the "top 15 finest personalities" of India as opinions may vary. However, here is a list of 15 renowned Indian personalities who have made significant contributions in various fields: Mahatma Gandhi - Leader of India's independence movement. Rabindranath Tagore - Nobel laureate poet, and writer. Jawaharlal Nehru - India's first Prime Minister. Mother Teresa - Humanitarian and founder of Missionaries of Charity. Dr. A.P.J. Abdul Kalam - Former President and renowned scientist. Ratan Tata - Business tycoon and philanthropist. Sachin Tendulkar - Legendary cricketer. Lata Mangeshkar - Iconic playback singer. Amitabh Bachchan - Bollywood actor. Mary Kom - Olympic boxer and world champion. A.R. Rahman - Academy Award-winning musician and composer. Ravi Shankar - Sitar maestro and composer. Sania Mirza - Ace tennis player. Kiran Mazumdar-Shaw - Entrepreneur and founder of Biocon. Narayana Murthy - Co-founder of Infosys and IT industry pioneer.

India is home to many famous personalities who have greatly influenced the country's development. People affectionately address these remarkable individuals by nicknames, either as a way to honor their achievements or to express their love for their contributions. For example, Mahatma Gandhi is called "Bapu," Lata Mangeshkar is known as "Swar Kokila," and Ravi Shankar Maharaj is referred to as the "Father of Gujarat," among others. These nicknames highlight the significant impact these personalities have had on India.