Hey,
There are number of jobs of event planner in Uttar Pradesh in the areas like Lucknow and Noida and many more.
You have to Research them online as well as offline in your area. You have to look as well as research  for companies that have an events planning department and try to get an entry level position there.
You can even look for them in your local newspaper.
You can look into various job sites that are particular for event management:-
1. Eventcareers.com
2. Indeed.Com
3. Snagajob
4.AMA
5. Meeting jobs
6. Happily.com
And various sites

Hope it helps:)