Bible Correspondence Courses
http://biblecorrespondencecourses.org/biblecourses.php?lang=Telugu%20or%20Telegu
http://biblecorrespondencecourses.org
Please look for the Telugu link
Emmaus
https://emmausinternational.com/pages/worldwide
https://emmausinternational.com
This ministry might have a ministry office in India.
Their correspondence courses are sold in the USA.
Jeevajalamulu (Living Waters)
http://www.jeevajalamulu.com/bible-college/
Jeevajalamulu (Living Waters) Radio Ministry offered “Emmaus Bible Correspondence Course” to the Radio listeners for many years. Hundreds of the listeners have been benefitted out of the correspondence course system. We started an “Extension Centre for Theological Studies” which led to the Living Waters Bible College being established.
Source of Light Ministries
https://www.sourcelight.org/explore/regions/?location=Asia
This ministry has ministry offices in India.
Their correspondence courses are sold in the USA.