1. School of Sciences, ISBM University, Gariyaband, Chhattisgarh, India
2. School of Sciences, Anjaneya University, Raipur, Chhattisgarh, India
3. Photonics Research Laboratory, School of Studies in Electronics & Photonics Pt. Ravishankar Shukla University, Raipur, Chhattisgarh, India