Books by Dr. Raj Kumar. E Add to cart Quick View Basic elements of machine design Dr. Bikash Routh, Dr. G. Sundaramali, Dr. Raj Kumar. E, Dr.Narendiranath Babu ₹500.00 Quick ViewBuy Now Sale! Add to cart Quick View Text Book of Basic Mechanical Engineering Dr. Raj Kumar. E, Dr.Narendiranath Babu.T ₹895.00 ₹890.00 Quick ViewBuy Now