You can get in contact with the institution calling the following number (91-44)2432-3860~3 or visit the Consulate in Chennai, India
Japanese Consulate in Chennai runs an inclusive range at No.12/1, Cenetoph Road Ist Street, Teynampet, 600 018 yourself. To avoid the need to visit an Embassy, consider applying for the Japanese e-Visa available online. Use any working device to apply within minutes from home.