Hello
Hope you are doing well
Some of the good colleges that offer MSc Psychology in Tamil Nadu are :
University of Madras, Chennai
Bharathiar University
Madurai Kamaraj University -
Bharathidasan University
Manonmaniam Sundaranar University,
Sri Ramachandra Institute of Higher Education and Research,
The fee structure depends from college to college, the government colleges have are a little less expensive than that of the private colleges
For a detailed fee structure, admission process, you can check the link below
https://www.careers360.com/university/central-university-of-tamil-nadu-thiruvarur/msc-applied-psychology-course