Diploma

Hello Harsh Surve,
With more than 80% in diploma examination I am sure you will get admission in engineering via lateral admission process. But it's very tough to say which college you may get since it depends on very many dynamic things.
Best wishes to you.

Yes, you can pursue Diploma in Hotel Management after 10th.

Hello Mohan, always remember the saying "where there is will, there is a way! Nothing stops anyone from entering the field of software. However it all depends on your intentions. If your aim is to get job then of course you need formal qualifications. There are enough examples in India and world where even uneducated have succeeded in building up empire in software industry. Best wishes to you.