hello aspirant,

you have mentioned that you have bsc (h) degree in electronics, however msc in electronics candidate can apply for gate exam in electronics and communication paper. you cannot apply for gate as you have three years bachelors degree. bsc in technology stream of 4 years are eligible for gate. as you are employed for 4 years you may also try for msc in distance learning. follow the below link to khow in details for gate exam ,

https://drive.google.com/file/d/15PJ5PdOX0ZjelbfXuuLPIgjy_70VzKkh/view?usp=sharing