CALCUTTA UNIVERSITY (CU), JADAVPURE UNIVERSITY(JU) PRESIDENCY UNIVERSITY, ST. XAVIER’S COLLEGE (SEPARATE BATCHES) SOLUTION OF MODEL QUESTION PAPERS ANSWERS, 10 YEARS AND ALL RELEVANT BOOK EXERCISES. SPECIAL CLASSES FOR COMPETITIVE LEVEL EXAMINATION FOR ENTRY IN M.SC. COURSE AT JNU, ISI, DU, CU. LIBRARY ACCESS. STUDY MATERIALS. STUDENTS CAN ALSO HAVE STATISTICS and MATHEMATICS ( general) for B.SC. LEVEL