Science

That will completely depend on this year's cutoffs. But you should have studied maths in class 12th in order to qualify. Maths is not necessary to include in the best 4 but you should have it as one of the subjects studied in class 12th.

Hello Neha,
There is a complete video series for preparation of BHU-PET Food Science and Technology.

There is no college available for Diploma in robotic Science in India. So Its better to do Diploma in computer Science. This course will provide you best placement and job opportunities. Further this will helpful in pursuing the lateral B.Tech course also.

Keeping the present unemployment scenario in consideration, the MBA can be the best option. Because management courses provides best employment/ placement opportunities. So the following MBA courses can be the good if done from the reputed B-Schools like Iims, FMS Delhi, XLRI, MDI, PUMBA, ISB, SIBM

Maths, Physics and Chemistry are the main subject of 12th PCM stream. So for clearing 12th you must have to pass all these subjects. So you will be considered as failed.