Fresher in Telecom Operator (Airtel/Idea/Vod) is taken from the selected institution only for on-role jobs. For off-role jobs you can come through employee referral. Telecom equipment vendor company Ericsson, Huawei, Cisco, etc. These companies actually recruit freshers but stick to their job portal websites. Now in telecom there are various fields to work that is R&D, integrated commissioning, testing. So choose your career path according to your interest.