Can I join in the fine arts in the middle of Inter 1st year education I am very much interested in arts?

Yes, but you must drop your current course and enroll in the fine arts program. Which field of study are you interested in? You have a choice.

Fine art courses are divided into six major branches. Painting, Sculpture, Visual Communication Design, Textile Design, Ceramic Design, and Print Making Design are among them.

However, there are some age restrictions for admission to fine arts programs in Tamil Nadu.

It is up to the community to decide whether or not an age relaxation exists. According to Indian state government eligibility entrance principles, the admission procedure varies.

In this university is fine arts course available

 In Tamilnadu state, there are two govt colleges of fine arts, the university is in Chennai, the address is as follows...

The Tamil Nadu Dr. J Jayalalithaa Music and Fine Arts University

The Honorable former Chief Minister of Tamil Nadu Puratchi Thalaivi 

Dr. J. Jayalalithaa, established the Tamil Nadu Music and Fine Arts University

on the 14th of November, 2013, exclusively for Music and Fine Arts so 

as to preserve, foster, popularize and propagate the traditional performing arts, 

such as Indian Music, Bharatanatyam, Fine Arts and Sculpture.

Honorable Chief Minister of Tamil Nadu, is the present Chancellor.

one is in Chennai, the address is as follows...

GOVERNMENT COLLEGE OF FINE ARTS, CHENNAI

• No. 31, E.V.R. Periyar Salai, Periyamedu, Chennai - 600003
 
• Phone: 044 - 25610878
 
• Email : fineartscollegechennai@gmail.com

the another one is in Kumbakonam, the address is as follows...

GOVERNMENT COLLEGE OF FINE ARTS, KUMBAKONAM

• Swamimalai Main Road, Mela Kottaiyur, Mela kaveri post,
  Kumbakonam - 612002
 
• Phone: 0435-2481371
 
• Email: principalgcfa@gmail.com

All about the course details and fees structures is you must go to the below link as follows...

https://www.artandculture.tn.gov.in/

How many seats are there in JJ College of Fine Arts for candidates out of Maharashtra?

Admission for the M.F.A. Degree course (by Papers) in the respective branch will be open to the students from foreign countries on recommendations by the Ministry of Education and Cultural/External Affairs, Government of India, and through proper channels. However, their applications will be considered subject to minimum qualifications to their eligibility for admission. (20% seats will be reserved for persons out of India).