College of Engineering, Pune

Google has not yet visited the campus but yes, in coming years, it will recruit from COEP.

Your percentile is 55.27. This score is less to get admission in COEP or VIT but you can get admission in VIIT or CIT.

Diploma is very good for technical knowledge but the salary you will get after completing the same will always be higher than Diploma.
Production engineering in COEP is a sandwich branch but you are compulsory do two internships of 6 months in different companies for completing your degree.

What is your HSC score?
Generally, for getting admission in any engineering college you require HSC, JEE or CET score.
If your percentile (50% weightage to HSC score and 50% weightage to JEE or CET score) is above 90 then you can get admission in COEP or VJTI.
Also, if you are ready to take any branch and belong to reservations then you will definitely get admission in COEP, if your percentile is above 90.

Obviously, CEG Guindy will be a better choice.

To get a lateral entry in any engineering college the procedure is you have to register through DTE website (type DTE on the Google and visit the first link). Second, after the registration, you have to fill the option form for any query. There are ARC centres or FRC centres, they will definitely help. But to get any information like cutoffs or any other thing to read all the information given on DTE website.
All the best.

Your percentile (50% weightage to HSC score and 50% weightage to CET score) is 61.38, so you will not get COEP. But there are various good colleges in Pune, you can apply for them and you will definitely get a good college.
All the best.

What is your HSC score? If you belong to any reserved category, and your percentile is 50 i.e. (weightage of class 12th and CET scores) and you have scored 90 marks in CET then you can surely get COEP.

What is your HSC score? For getting admission in any engineering college you require HSC score and JEE or CET score. The weightage (percentile calculation) will be, 50% HSC score and 50% CET score, if the percentile is above 90 then you will get admission. Also, if you belong to any reserved category and you are ready to get any branch then if you will get admission even if your percentile is 85 or above, you will get COEP.
All the best.