JEE

Yes. Its possible. This rank is enough for an average campus in Pune sector. Also, select campus based on Placement.

Yes, of course, you have chances of getting into IHM. According to the previous year, it's possible for you to get into this campus.

I'll prefer you to appear for the counselling as, if you won't appear for the counselling now then you are not eligible for the spot round of counselling in which you can get the college with ease.

Yes, he can get the college without any problem but I'll prefer you to opt for the colleges located in Mumbai or Delhi as there is a great scope as well as reach for this stream.

Hello Anshuman,
Please use Shiksha college predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

Your rank is quite good. You will get NIT, though not CSE but you will get ECE IT and other branches. (I am not telling about the top NITs). You may even get a branch in BIT Mesra. You have quite a good chance in many colleges. So think wisely what you want to opt for and where?

Hello Ayush,
JEE is an entrance exam for undergraduate engineering courses to get admission in government colleges such as IITs, NITs, IIITs and GFTIs. If you have a good score, then you can study in these reputed institutions. You cannot get jobs based on this score but if you get a chance to study in these institutions then you can get a good job.

Yes, your son can definitely get a seat in CSE on the basis of Intermediate score. It is too good.
Best of luck for your future and if there's any query, feel free to ask.