Chemical Engineering

Yes, it is a part of chemical engineering.

Yes, indeed Diploma in pharmacy is a good option. But it is always a better option to pursue a Bachelor's degree in pharmacy. Wider scope in terms of job potential.Also, the scope of higher study is there. Best wishes!

Electrical engineering is better in terms of GATE/ESE point of view, however, hardly any PSUs visit HBTU based on two to three years of experience.

Yes, it is a good option. If you do it from a good college then it can fetch you a good job.

Hello Shubham,
There are no particular cut off marks for getting admission into IITs. They vary every year. There are specific closing and opening for every IIT and that too varies.
So, I may say in terms of ranks. Your rank should be below 2000 or 3000 (for general category) to get admission into II