Does a part–time PhD have value in Mechanical Engineering?

A part-time PhD in Mechanical Engineering does have a value when looked at, depending on your career path. It is very valuable if you are a working professional in R&D, teaching or the industrial sector and want to increase your qualifications. The universities which provide these courses are recognized by UGC, AOCTE, etc. However, if you want to work in the research sector, then pursuing a full-time PhD in Mechanical Engineering is helpful.