CCNA

You can check the below mentioned link for the details about telecom and network management MBA course:
http://m.indiaeducation.net/management/streams/telecom-management.aspx

If you want to change career to non-technical, but continue to work in IT industry, then MBA in IT is an excellent option. After MBA in IT, you can take sales, account management, pre sales support and business analysis roles in IT industry.

Please confirm your basic educational qualification for an appropriate advice.

Hi,
You may get enrolled for CCNA training course which would cost you around 10k. Then CCNA certification cost would come around $150, each ICND1 and ICND2.

B.Tech electronics & telecommunications engineering (ECE) is the preferred educational qualification for a job in telecom industry at junior management levels. Diploma in ECE is entry qualification in supervisor roles. ITI in electronics is entry qualification for technician in the telecom industry.

Hi,
You need to grab the current dump and do lots of practice. You need to make your base and logics strong enough because all CCNA questions are based on practical and logics.

You can refer to the below mentioned link:
https://www.shiksha.com/search/?q=CCNA&c=10&sc=101&sa=97^0^74^0^0^0&ts=1588680&rf=searchwidget&ct[]=97&sp[]=74&ldb=l-74

It has not age limit. You just have to work hard.