Diploma

If you are not more than 19.5 years old. Older than that will not be eligible.

From where did you complete your PG Diploma and what is your academic qualification? Add these details and you will get a better answer.
If you are looking for a job then try searching online.

You can fill forms for Railway, Army, Navy, Air Force, Junior Engineers in several departments, DRDO, etc. There are many vacancies for Diploma holders released by the Indian Government.

You can check this link and sort the courses according to your needs. However, some courses are 2 years long and some require graduation. https://www.shiksha.com/design/interior-design/colleges/diploma-courses-india.

You can opt for lateral entry in any recognised college if they have any vacant seats. You will have to approach colleges individually now as you have missed the chance to appear in entrance exam.

Pursue a Bachelors degree through distance or regular and prepare for government jobs along with the studies. That would be more efficient then doing just one.

Hello Ritesh,
You have obtained quite good marks in your tenth exam. I feel that with such good marks you are bound to get admission for the diploma course.

It would be helpful if you mention the location. Annamalai University, Tamil Nadu offers PG Diploma in Yoga. Other institutes like AISCET University, Barkatullah University, Bhavnagar University, JIMS, IIYNew, etc., are also good.

Hi Bharath,
Unfortunately, event management is not offered through distance mode by any institute or university. It is a practical intensive course and you can only pursue it through regular classes.