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bachelor of science


Silapathar Science College, as one of the affiliated colleges of the Dibrugarh University, offers B.Sc. Program. As a part of the new regulation circulated by the affiliating University, the Choice Based Credit System (CBCS) has been implemented from the 2019-20 Academic Session. The subjects offered in the Honours program are Anthropology, Botany, Chemistry, Mathematics, Physics & Zoology. The Intake Capacity in each of the Departments, except Mathematics, which has 75 nos. intake capacity, is a maximum of 50 nos. only. In addition to the Honours Program, a Non-Honours program is also offered. The intake capacity in this course is 150 nos. only.


          A student who has passed the Higher Secondary Examination (10+2) in Science of the Assam Higher Secondary Education Council, or an equivalent examination (10+2) recognized as such by the University, shall be eligible for admission into the First Semester of the Six Semester Degree Course in Science in Semester System.


          The applicant should read carefully the rules below before filling the forms. In indicating preferences for Major subjects, he/she should pay due attention to the criteria for admission. A candidate may submit one application form showing preferences in 3 subjects.

Sl. No.       Subject                  Major/Core     Subject Codes  Intake Capacity

      1            Anthropology         Major                    ANTM                    50  

      2            Botany                   Major                      BOTM                     50  

      3            Chemistry               Major                    CHMM                    50  

     4.           Mathematics           Major                     MTHM                    75  

     5.           Physics                   Major                      PHYM                     50  

     6.           Zoology                  Major                      ZOOM                    50

Endowment Seats : There is a provision for admission into the TDC Program through endowments. Those students who fail to get admission into their desired major subject can avail this facility. In every department 5 (five) seats [Mathematics -10 (ten) seats] are specially reserved under the policy. In order to avail these seats, a student has to pay a minimum amount of Rs. 10,000/- as endowment fee.


          From the 2019-20 Academic session, the Dibrugarh University proposes to implement the CBCS in the under graduate level Program. 

Definition of CBCS:

          CBCS means Choice Based Credit System. Choice Based Credit System is a flexible system of learning. 'Credit' defines the quantum of contents/ syllabus prescribed for a course and determines the number of hours of instruction required. This system permits students to- 

  • learn at their own pace
  • choose electives from a wide range of Elective Courses offered for the program
  • undergo additional courses and acquire more than the required number of credits
  • adopt an inter-disciplinary approach in learning
  • make best use of the expertise of available faculty.

Definition of Credit:

          Credit defines the quantum of contents/ syllabus prescribed for a course and determines the number of hours of instruction required per week. Thus, normally in each of the course, credits will be assigned on the basis of the number of lectures/ tutorials/ laboratory work and other forms of learning required to complete the course contents in a 14-15 week schedule: 

  1. 1 Lecture per week = 1 Hour duration per week =1 Credit
  2. 1 Tutorial per week = 1 Hour duration per week =1 Credit
  3. 1 Practical per week = 2 Hours duration per week =1 Credit

Note: The lecture sessions and tutorials shall not be substituted with any other activities like seminars, group discussions etc.

Bachelor of Science (B.Sc.) Program:

          A student passed the Higher Secondary Examination (10+2) in Science stream of the Assam Higher Secondary Education Council, or an equivalent examination (10+2) recognized as such by the University. 

          For admission into the B.Sc. in Chemistry and Physics Honours, a candidate must pass the Higher Secondary Examination (10+2) in Science stream of the Assam Higher Secondary Education Council or an equivalent examination with passing Mathematics as a subject. 

Course Structure: 

          The Course Structure of the Academic Program under the CBCS shall be as per the Course Structure given in Annexure I. The nature of the Courses for all Under Graduate Academic program shall be as below: 

a)      Core Courses: Compulsory components of an Academic Program. These Courses are to be compulsorily studied as a core requirement for the program. The contents of the Core Courses shall be as per the UGC Model Curriculum for the subject/ discipline concerned. However, the Boards of Studies concerned may recommend maximum of 20% deviation from the UGC Model Syllabi wherever requires. 

          In case, UGC does not provide model Syllabi/ Curriculum, the Board of Studies shall propose their own Core Courses keeping parity of total numbers of credits/ courses with other similar subjects/ disciplines. 

b)      Elective Courses: Elective courses shall be chosen by each student from a pool of courses. These courses may be intra-departmental, i.e. Discipline Specific Elective (DSE) as well as inter-departmental, i.e., Generic Elective (GE). The students shall have to choose minimum number of DSE and GE in every semester as prescribed in the Course Structure. These courses shall be: 

          (i)      supportive to the discipline of study

          (ii)     providing an expanded scope 

          (iii)    enabling an exposure to some other discipline/ domain 

          (iv)    nurturing student proficiency/ skill 

          There shall be a basket of at least eight Elective Courses having equal number of credits. For the students of the same discipline/ subjects these elective courses shall be intra-disciplinary and shall be called DSE Courses. If the students of other discipline/ subjects (within the Program) opt these electives shall be considered as inter-disciplinary and shall be called GE courses. 

Further, there may be few courses conducted under the UGC’s Program on Massive Open Online Course (MOOC)s. The University may time to time fix the criteria for MOOCs as per the relevant UGC Guidelines on digital education. 

c)       Ability Enhancement Courses (AEC): The Ability Enhancement Courses shall be of two kinds- ‘Ability Enhancement Compulsory Courses’ and ‘Skill Enhancement Courses’. These courses shall be inter-disciplinary (within the Program) in nature. ‘AEC’ Courses are the courses based upon the content that leads to Knowledge enhancement. 

          i.        Ability Enhancement Compulsory Courses (AECC):(a) Environmental Science (2 Credit), (b) Communicative English (2 Credit) and (c) Alternative English/Communicative Hindi /MIL (2 Credit).

          ii.       Skill Enhancement Courses (SEC): (minimum 4 credits): These courses may be chosen from a pool of courses designed to provide value-based and/or skill-based knowledge and should contain both theory and lab/hands-on/training/fieldwork. The main purpose of these courses is to provide students life-skills in hands-on mode so as to increase their employability. The list provided under this category are suggestive in nature and each University has complete freedom to suggest their own papers under this category based on their expertise, specialization, requirements, scope and need. 

    The List of Skill Enhancement Courses (SEC) are accessible at or at Pg. No. 16. 

          A Course may also take the form of a Dissertation/Project work/Practical training/Field work/Seminar,etc. 

          A student shall have to study the academic program as per the scheme of the Program. Even if a candidate earns the required number of credits before completion of the full duration of the program, he/she shall not be entitled for the degree. 

Grading System :

a)       The absolute grading system shall be applied in evaluating performance of the students. 

b)      The following scale of grading system shall be applied to indicate the performances of students in terms of letter grade and grade points as given below: 

          Letter        Grade with meaning         Grade Point*            

          O                Outstanding                       10 (Marks securing above 90%)      

          A+              Excellent                             9 (Marks securing 80%-90%)         

          A                Very Good                          8 (Marks securing 70% -80%)        

          B+              Good                                   7 (Marks securing 60% -70%)        

          B                Above Average                  6 (Marks securing 50% -60%)        

          P                Pass                                     5 (Marks securing 40% -50%)        

          F                Fail                                      0 (Marks securing below 40%)        

          Abs            Absent/ Incomplete           0          

          *        Exclusive Class Interval technique shall be followed in calculation of Grade Point. 

c)       The Letter grade ‘B+’ and above shall be considered as First Class and Letter grade ‘B’ shall be considered as Second Class. 

d)   A student is considered to have completed a course successfully and earned the    prescribed credits if he/ she secures a letter grade other than F (Failed) or ‘Abs’ (Absent/ Incomplete).

e)       If a candidate secures ‘F’ grade in a Course, he/she shall have to reappear in the Course in the next legitimate chance. 

f)       If a student secures ‘F’ grade in Project Work/ Dissertation/ assignment etc., he/she shall have to re-submit it after necessary revisions. The Result shall be declared with next regular batch. 

g)      ‘Abs’ grade shall be awarded to a candidate if he/she has not fulfilled the following requirements: 

          (i)      If a candidate fails to appear in any Course(s) in an end semester examination. 

          (ii)     If a candidate fails to submit the project work/dissertation / assignment of an end semester examination. 

      (iii)    If a candidate is certified as not eligible to appear in any course(s) in an end semester examination by the Course Teacher(s) due to insufficient attendance in lectures, tutorials, practical or field works. 

h)      The candidates not appearing in a Semester Examination shall be considered as an ‘Abs’ candidate and that will be reflected in the Grade Sheet of the candidate. These candidate shall have to convert the ‘Abs’ grade by appearing in the next examination on the Course (provided he/ she has legitimate chance to appear the Course) concerned or by submitting project work/dissertation/ assignment etc. 

i)          Results of the candidates appeared in the Betterment or Backlog Examinations shall not be counted for the award of Prizes/Medals, Rank or Distinction.