I Have complete my diploma in electronics field what should I opt now for suggest some courses and degree field

Somesh , as u have completed the diploma in electronics , so i should suggest you that you should opt for degree in electrical and electronics engineering by lateral entry through entrance examinations. u can also opt for EE, ECE,EEE,AEI,ICE,etc,...... u will have a bright carrer. best of luck

You can go for B.Tech. in Electronics and Communication or as per your choice. Have you appeared for AIEEE if not then you can approach to any good engineering college and have word with them for the admission in Second year i.e. Lateral Entry.