Want to know about exemption and applying for grace marks for r13 batch lateral students

[K uttej goud]

I have few doubts regarding JNTUH exemption and grace marks rules for r13 batch.i have failed in 2subjects and applied for exemption of those 2 subjects..and I got 19 in one subject and applied for grace marks.. did am eligible?? Plz give me a correct rules regarding Jntuh exemption and grace marks rules for r13 lateral students.