Er. Kawalpreet Singh is post graduate in engineering field. He belongs to Ludhiana in Punjab state, India. He holds a Master degree in Engineering from Guru Nanak Dev University Amritsar. He is working as Assistant professor with teaching experience of 15 years in Engineering College in Punjab. His interest in the research field helped him in writing books. His purpose of writing books is to guide people through is research about various topics. He believes in providing information genuinely and he is unbiased in revealing truth. Kawal’s interest in research and contribution to society began in university after experiencing research environment and his own challenges. Connect with him at hr86recuit@gmail.com or on Instagram @kawal86s.