Yes, with Rank 660 in JAM BT, I believe you have fair chances in getting a Call from some of the IISERs, Like IISER Bhopal, Thiruvanathpuram or Berhampur, with comparatively less chances from IISER Pune, Kolkata or Mohali. Do follow their respective websites for regular updates regarding Merit Lists and other Details.
Application | Eligibility | Exam Pattern | Admit Card | Answer Key | Result | Counselling
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile