Jharkhand

College does not offer BCA (Bachelor in Computer Application) course. A very similar and equivalent Bachelor's degree course is offered here. It is B.Sc in Computer Application. There is no cut-off declared officially. Cut-off varies every year. It depends on the performance of the candidates in the entrance exam that year.

Refer the below links :
https://www.shiksha.com/accounting-commerce/colleges/b-com-hons-colleges-Kolkata
https://www.shiksha.com/accounting-commerce/colleges/b-com-colleges-Ranchi.

Please visit this site
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor.

Yes, it will be conducted this year, check out the link below for details :
https://www.shiksha.com/medicine-health-sciences/alternative-medicine/jcece-exam-dates.

Hi,
Jharkhand Diploma to Degree Entrance Competitive Examination Jharkhand DTODECE is a lateral entry entrance test, which is conducted by the Jharkhand Combined Entrance Competitive Examination Board (JCECEB). It is a gateway that offers admissions to the interested candidates in the 2nd years of the 4-year regular BE/B.Tech programmes under the lateral entry scheme. Through Jharkhand DTODECE the candidates can seek admission in the Government and Private colleges in the state of Jharkhand. The exam dates for the Jharkhand DTODECE 2019 are yet to be announced. However, Jharkhand DTODECE 2018 exam was conducted in the month of April.

Yes, this is available online via flipkart and amazon. You should purchase it. It will be really helpful for you.

Physics chemistry and mathematics.

You can refer Guide for BBA/BBS/BBM 2019 (English, Paperback, Arihant Expert), BBA entrance complete book paperback 2018-By Chandresh Agrawal (author), Chandresh Agrawal & Nandini books (editor), BBA/BCA/BHM/Integrated MBA Exam Guide by RPH Editorial Board Paperback, etc.