Executive Director/Traffic, Psycho-Technical Directorate, Research Designs and Standards Organisation, Ministry of Railways, Government of India, Manak Nagar, Lucknow-226011, India. Google Scholar More about the auther
18.01.064/20150203
10.25215/0203.064
Research Scholar, Union Christian College Aluva, Ernakulum, Kerala, India Google Scholar More about the auther
Assistant Professor, Union Christian College Aluva, Ernakulum, Kerala, India Google Scholar More about the auther
18.01.006/20180602
10.25215/0602.006