1. Department of Instrumentation; Sri Venkateswara University; Tirupati 517 502 India
2. Laser Electronics Support Division; Raja Ramanna Centre for Advanced Technology; Indore Madhya Pradesh 452013 India
3. Department of Biochemistry; Sri Venkateswara University; Tirupati 517 502 India
4. High Pressure & Synchrotron Radiation Physics Division; Bhabha Atomic Research Centre; Mumbai 85 India
5. Department of Future Studies; Sri Venkateswara University; Tirupati 517 502 India