in my prefinal yr(b tech) and want career in communicatn.in 6 months indstrial training per,should i do wireless course or prepare for IES?

If you are planing for a Career in Communication Courses related to Wireless Communication is Certainly advisable and with IES also you can Enter Govt Enterprises like BSNL,MTNL,CDAC or C DOT etc . Both will provide you gateway to Career in Wireless Communication

Focus on your degree first. After 6th sem you would undergo Industrial training and later you can think of CISCO certified network course as you are interested in communications. You should also prepare for campus placement and for that you require to practice aptitude, logical and verbal questions.