Civil Engineering

Here is the list of colleges in India, which offers Diploma in civil engineering:
https://www.shiksha.com/engineering/colleges/diploma-civil-engineering-colleges-india

According to our college predictors, you'll get admission in the civil branch of this college, because the closing rank for this college is 127876. (Category OC)
Rest, you can search more in this given link:
link-https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor

You need to get less than 300 rank in order to get that branch in Osmania University.

Here is the list of good colleges for Diploma in civil engineering:
https://www.shiksha.com/engineering/colleges/diploma-civil-engineering-colleges-west-bengal

Total fees for the whole course is around INR. 2 lakhs for the whole course.

Hello King Raja,
Of course, it's the best decision. Manipal is one of the most decorated and academically acclaimed deemed to be university. But then it's up to you. I would like to advise you that please study with the intention of understanding the subject. This will take you places not only now but in future too.
Best wishes to you.

Both civil engineering and architecture involves designing and planning structure. The architect will intimate and create the design including the shape, colour and space of the development work, and then civil engineers will analyze it to find ways to make the construction design possible by finding suitable things.

You might secure a seat in private colleges. Rest you should look out for the cutoff to be sure.