Haii Amit !! Ill suggest you,some of the best coaching institution for ssc je in delhi,skylight classes:They are best and skillful in their work even their teaching techniques are different and study material is also satisfying and useful.Fee is around 30k in offer it is 23750.
Modulation institute:It is also one of the best institutions in delhi.They are well trained with SSC JE and AMIE coaching classes.the staff is very good and they will teach technical part clearly ,and they will not make you stuck at any point .they are on top 3 .
Ugenius academy:this is also one of the best coaching institute,they will teach in very easy manner and the material they provide is very easy and you can understand easily.they are in top 5 in the top 10 list.Fees is ranging from 7k to 24k.
and..technical point,raj gate academy, success ease,gyans academy are some other coaching institutions.Hope the above information helps you.All the best!!