1. Graphic Era Hill University,Bhimtal Camp.,Department of Mathematics,Bhimtal,India,263136
2. Dayananda Sagar College of Engg.,Department of Mathematics,Bangalore,India,560078
3. Uttaranchal University,Department of Mathematics,Dehradun,India,248007
4. University of Padova,Department of Indust. Engg.,Padua,Italy,35131
5. Uttarakhand Technical University,Pithoragarh Campus (NPSEI),Department of Electrical Engg.,262501