Speaker
            Dr
    J JKC
            
                (Department of Physics, R. R. Govt. College Alwar, Rajasthan, India-301001)
        
        
    Primary author
        
            
                
                        Dr
                    
                
                    
                        P PCS
                    
                
                
                        (Department of Physics, Govt. College Jaipur, Rajasthan, India-302004)
                    
            
        
    
        Co-author
        
            
                
                        Mr
                    
                
                    
                        M  M Rawat
                    
                
                
                        (Department of Physics, R. R. Govt. College Alwar, Rajasthan, India-301001)