Indian Institute of Science

You can apply to IISc, if you are appearing in NEET 2018 and securing a minimum of 60% marks (GN), 54% marks (OBC-NCL), 30% marks (SC/ST/PWD). Admission will be based on your rank.

The cut-offs of NEET All India Rank (overall rank)for shortlisted candidates in different categories in the UG stream are:
280 (General),
8000 (OBC-NCL),
8000 (SC),
16000 (ST),
8000 (KM),
and 8000 (PH).

The revision of the date cannot be expected. The classes will be starting in the month of August, so you cannot expect any revision.

Here is some helpful information for you-
http://bio.iisc.ac.in/?q=content/integrated-phd-and-phd-programme.

Hello, From here http://bit.ly/2HxUej2 you can check the detailed eligibility criteria required to appear in the JAM Exam. JAM Exam is one of the toughest exams conducted in India. So, if you are planning to appear in the exam then, you must study well. IIT JAM 2019 Exam will be conducted in the month of February 2019. So, you have enough time left for the preparation. Best of Luck.

Please download college brochure from the link provided below which contains details regarding eligibility and admission process followed for an Integrated Ph D Progamme (Biological Sciences) at Indian Institute of Science.
https://www.shiksha.com/science/course/integrated-ph-d-progamme-biological-sciences-indian-institute-of-science-cv-raman-road-bangalore-201234
Alternately, you can visit college website for details regarding this course.
(Website:- http://www.iisc.ernet.in/)
Regards.