[1] Dr NGP Inst Technol, Dept Informat Technol, Coimbatore 641048, Tamil Nadu, India
[2] Sona Coll Technol, Dept Comp Sci & Engn, Salem 636005, India
[3] Kongu Engn Coll Autonomous, Dept Elect & Instrumentat Engn, Erode, Tamil Nadu, India
[4] M Kumarasamy Coll Engn, Dept Elect & Commun Engn, Karur 639113, Tamil Nadu, India