1. Mohan Babu University,Department of Mathematics,Tirupathi,India
2. SVCE,Department of Mathematics,Tirupathi,India
3. Kalasalingam Academy of Research and Education,Department of Mathematics,Tamilnadu,India
4. Gitam University,Gitam School of Science,Department of Mathematics,Bengaluru,India
5. KL University,Guntur,India