Alagappa Chettiar was the second son of K.V. Ramanathan Chettiar. In 1937 he built Cochin Textile Mills which was later renamed as Alagappa Textile Mill. He was the founder of Alagappa Polytechnic, Alagappa Chettiar Physical Education College, Alagappa Chettiar Teachers Training College, Alagappa Chettiar Engineering College, Alagappa Ladies College which was later complied as Alagappa University in the year 1985. He was the first man to introduce Rotary Club at Karaikudi. The British Government Honoured him with the title "Sir". In 1957 Pandit Jawaharlal Nehru named him as "Socialistic Capitalist".

Annamalai Chettiar was the last son of V.S.Muthaiya Chettiar. He made frequent trips to foreign countries to develop his business. These trips gave him a chance to go to Roundridge University and Oxford University, which gave him more interest in education. He is the founder of Annamalai University, Meenakshi College, Tamil Arts College and Fine Arts college at Chidambaram. In 4.3.1929 the British Government honoured and rewarded him the title "Raja" for the interest he showed for education. He was rewarded as Doctorate by Annamalai University in 9-12-1947.

Chidambaram is the son of Palaniappa Chettiar who finished his Law in India and he got degree in higher education at Harvard University.At his early stage itself he joined in congress. He is good at writing and speech. He was a Ex-Cabinet Minister, Ex-Commerce Minister, Ex-Financial Minister and for that he rewarded as a best finance Minister among the Asian countries.

Mr.Thiagaraja Chettiar started and maintained nearly 16 mills and famous among them are Sri Thiagaraja mills and Meenakshi mills. He also established Bank of Madura and started many Educational institutions including Thiagarajar Arts and Engineering College at Madurai. He was rewarded as Kalai Thanthai for his wonderful architectural job.

Born in a small village, Sirukoodalpatti, near Karaikudi, Kannadasan has revolutionised the tamil literature with his writings and poetry. He published many political, cinema, literature magazines in tamil language. He has written many famous scripts and songs to the tamil film industry and sung many songs too. Nagarathars built a Mani Mandapam for him to honour for what he have done to this community.