1. Institute of Engineering & Management Central Council of Electro-Homeopathic System of Medicine,Electronics and Communication Engineering,Kolkata,India
2. Rajlaxmi Electro-Homeopathic Medical College & Hospital,Electro Homeopathy,Kolkata,India
3. Rajlaxmi Electro-Homeopathic Medical College & Hospital Central Council of Electro-Homeopathic System of Medicine,Electro Homeopathy,Kolkata,India
4. Condensed matter UGC-DAE Consortium for Scientific Research,Kolkata,India