Yes definitely BBose is vakid for IIT and NIT and students must have 75%aggregate marks in 12th for eligibility to IIT and NIT. It is also well accredited and is comparable to NIOS Board. 

All details about board accreditation shared bekow.

http://www.bbose.org

Pls clearify your question 

You can be eligible for national level scholarships like Ratan Tata Memorial scholarship and Aditya Birla Scholarship. 

You can also take up KVPY scholarship as given below. 

http://kvpy.iisc.ernet.in/main/eligibility.htm

In Institutes like IITs, NITs, and event in many colleges they have, Departments of Biological Science and Bioengineering(BSBE), Which offers BTech in BSBE and Biotechnology, and the admission criterion remains same. If you want to do Engineering in BSBE from any IIT then you need to qualify JEE Advance nothing

Because seats reserved for them are lesseer and hence competition increases which mean smore marks needed to be scored to gain admission at top colleges. 

Students from All India Quota shall have lower numbe rof seats based on reservation weightage. 

Hii Sumit:

You are just 12th Pass out and Not Graduate, There You are Not Eligible for SSC CGL, The minimum qualification for SSC CGL is at least graduate. In order to appear for SSC CGL, you need to complete your graduation.

By this time You are Eligible for SSC

 According to my information form for improvement exam is released in the month of September so you can check it on the official website of CBSE about the form and fill it there relevant information will be provided by the board . So you can visit and check it on

For any doubts feel feel to contact Dr.Vignesh  @6369902833 who offer free educational advice regarding your career and about popular competitive exams like Neet,JEE too