Hello Naitik,

There are some colleges in Uttar Pradesh offering Mobile Application Development as a diploma course. They are - Arena Animation, Lucknow,  CMS IT Services Talent Development Center, Noida,  National Institute of Electronics and Information Technology, Gorakhpur,  National Institute of Electronics and Information Technology, Lucknow, and IT Spark, Noida.

Hope that helps and feel free to ask if you have any more queries. Best of luck!