Is an MBA in Operations through Distance learning good option for B.tech graduate ? which is the best University for the same?

Yes, specialization in Operations management would be beneficial for you. However, just find out if specialization in Construction Management & Infrastructure Development is also provided by them. That would suit you more as you are working in this field. You may contact National Institute of Constr

You can look at IGNOU or SYMBIOSIS (PUNE)

yes you can do your MBA,but as my point of view rather changing of tracks better stay in same line & go for your masters in same discipline.all university are good which is recognised by UGC.so better you choose where you want to do your MBA.if you like to do MBA you can but I suggest you to go with