Science

Hi,
PG exams are held every year. You can sit in those and qualify them to get admission in the course you desire.

Hi
No, you cannot do M.Tech in food tech as the requirements are completely different. There is no Masters+PhD (food proc) programme in any college as Ph.D requires clearing UGC NET exam. You should pursue M.Tech CS which will give you better packages.

Yes, you can get admission in PhD in biological science with 70% in both graduation and post graduation. You will have to clear the NET exam first.

Hi
Your degree may be valid but it may be so that the West Bengal School Service Commission does not recognize distance degree and recognizes only regular degree. For this you will have to check their website. Along with this having the requisite % is also important.

There are no such options to get direct admissions in 2nd year.

Hi,
Diploma courses:
Diploma in Travel and Tourism Management.
Diploma in Hospitality and Travel Management.
Diploma in Tourism Studies.Diploma in Aviation Hospitality and Travel Management.
Diploma in Tourist Guide.Diploma in Tourism and Ticketing.Diploma in Airfare and Ticketing.

The Joint Admission Test for M.Sc (JAM) is an all India examination conducted to provide admissions to various M.Sc (Two Year) / M.Sc Ph.D Dual Degree and other post-B.Sc Programmes based on the performance in a single test, Further 12th/HSC subjects are considered while admission, hence you are not eligible for M.Sc. Programs offered at IITs.