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    • W.B.C.S.
    • WBCS Prelims-Mains Foundation Course

    You have 52 weeks 1 day remaining for the course

    CoursesW.B.C.S.WBCS Prelims-Mains Foundation Course
    • Compulsory Bengali 5

      • Lecture1.1
        Letter writing 01 hour
      • Lecture1.2
        Report writing 01 hour
      • Lecture1.3
        Precies 01 hour
      • Lecture1.4
        Composition 01 hour
      • Lecture1.5
        Translation from English to Bengali 01 hour
    • Compulsory English 5

      • Lecture2.1
        Letter writing 01 hour
      • Lecture2.2
        Drafting of report 01 hour
      • Lecture2.3
        Precies 01 hour
      • Lecture2.4
        Composition 01 hour
      • Lecture2.5
        Translation from Bengali to English 01 hour
    • English 6

      • Lecture3.1
        Verb 01 hour
      • Lecture3.2
        Preposition 01 hour
      • Lecture3.3
        Parts of speech 01 hour
      • Lecture3.4
        Tense 01 hour
      • Lecture3.5
        Synonyms & Antonyms 01 hour
      • Lecture3.6
        Vocabulary 01 hour
    • Indian History Prelims + Mains 15

      • Lecture4.1
        Stone Age 01 hour
      • Lecture4.2
        IVC 01 hour
      • Lecture4.3
        Vedic Culture 01 hour
      • Lecture4.4
        Protestant Religious Movements 01 hour
      • Lecture4.5
        Pre-Mauryan 01 hour
      • Lecture4.6
        Mauryan period 01 hour
      • Lecture4.7
        Post-Mauryan 01 hour
      • Lecture4.8
        The Guptas 01 hour
      • Lecture4.9
        Regional dynasties 01 hour
      • Lecture4.10
        Rise of Islam 01 hour
      • Lecture4.11
        Delhi Sultanate 01 hour
      • Lecture4.12
        Bahamoni & Vijaynagar Empire 01 hour
      • Lecture4.13
        Iliyas Shahi & Hosen Shahi Dynasty 01 hour
      • Lecture4.14
        The Mughals 01 hour
      • Lecture4.15
        Later-Mughal Period 01 hour
    • Indian National Movement Prelims + Mains 12

      • Lecture5.1
        Battle of Plassey 01 hour
      • Lecture5.2
        The Great Revolt of 1857 01 hour
      • Lecture5.3
        Tribal Movements 01 hour
      • Lecture5.4
        Peasant Movements 01 hour
      • Lecture5.5
        Drain of Wealth 01 hour
      • Lecture5.6
        Socio-Religious Reforms and Movements 01 hour
      • Lecture5.7
        National Congress 01 hour
      • Lecture5.8
        Role of Gandhi 01 hour
      • Lecture5.9
        Radical and Revolutionary Organizations 01 hour
      • Lecture5.10
        Role of Press and Media 01 hour
      • Lecture5.11
        Important Acts 01 hour
      • Lecture5.12
        Governor Generals and Viceroys 01 hour
    • Polity & Economy Prelims + Mains 23

      • Lecture6.1
        Features Of Indian Constitution 01 hour
      • Lecture6.2
        Background of the Indian Constitution 01 hour
      • Lecture6.3
        Preamble 01 hour
      • Lecture6.4
        Union & its Territories 01 hour
      • Lecture6.5
        Citizenship 01 hour
      • Lecture6.6
        Fundamental Rights 01 hour
      • Lecture6.7
        DPSPs 01 hour
      • Lecture6.8
        Fundamental Duties 01 hour
      • Lecture6.9
        Part 5 01 hour
      • Lecture6.10
        Part 6 01 hour
      • Lecture6.11
        Part 9 01 hour
      • Lecture6.12
        Part 9A 01 hour
      • Lecture6.13
        Constitutional bodies 01 hour
      • Lecture6.14
        Non-Constitutional bodies 01 hour
      • Lecture6.15
        Economics- introduction 01 hour
      • Lecture6.16
        Important concepts 01 hour
      • Lecture6.17
        Features of Indian Economy 01 hour
      • Lecture6.18
        Sectors- Agriculture, service, Industry 01 hour
      • Lecture6.19
        Socio-Economic issues- Poverty, Unemployment etc. 01 hour
      • Lecture6.20
        Poverty alleviation programs 01 hour
      • Lecture6.21
        RBI and its role 01 hour
      • Lecture6.22
        Indian Financial System 01 hour
      • Lecture6.23
        Money 01 hour
    • Geography Prelims + Mains 19

      • Lecture7.1
        Features of Indian Political Geography 01 hour
      • Lecture7.2
        Physiographic divisions 01 hour
      • Lecture7.3
        Important mountains, Ranges and peaks 01 hour
      • Lecture7.4
        Important rivers 01 hour
      • Lecture7.5
        Climate 01 hour
      • Lecture7.6
        Soil 01 hour
      • Lecture7.7
        Crops 01 hour
      • Lecture7.8
        Forests 01 hour
      • Lecture7.9
        Wild life 01 hour
      • Lecture7.10
        Mineral Resources 01 hour
      • Lecture7.11
        Energy- Conventional and non-conventional power 01 hour
      • Lecture7.12
        Agriculture 01 hour
      • Lecture7.13
        Industries 01 hour
      • Lecture7.14
        Transport 01 hour
      • Lecture7.15
        Population 01 hour
      • Lecture7.16
        Physical Geography of WB 01 hour
      • Lecture7.17
        Economic Geography of WB 01 hour
      • Lecture7.18
        Census Data of WB 01 hour
      • Lecture7.19
        District wise Study of WB 01 hour
    • General Science Prelims + Mains 36

      • Lecture8.1
        Measurement 01 hour
      • Lecture8.2
        Motion 01 hour
      • Lecture8.3
        Work, Energy & Power 01 hour
      • Lecture8.4
        Simple Machines 01 hour
      • Lecture8.5
        Heat 01 hour
      • Lecture8.6
        Waves 01 hour
      • Lecture8.7
        Sound 01 hour
      • Lecture8.8
        Light 01 hour
      • Lecture8.9
        Electricity 01 hour
      • Lecture8.10
        Nuclear Physics 01 hour
      • Lecture8.11
        Matter 01 hour
      • Lecture8.12
        Atom 01 hour
      • Lecture8.13
        Radioactivity 01 hour
      • Lecture8.14
        Elements and Periodic Table 01 hour
      • Lecture8.15
        Chemical Bonding 01 hour
      • Lecture8.16
        Chemical Reactions 01 hour
      • Lecture8.17
        Metals and Non-Metals 01 hour
      • Lecture8.18
        Carbon and Compounds 01 hour
      • Lecture8.19
        Solution 01 hour
      • Lecture8.20
        Acids, Bases and Salts 01 hour
      • Lecture8.21
        Day to day use of Chemistry 01 hour
      • Lecture8.22
        Cell- basic unit of life 01 hour
      • Lecture8.23
        Bacteria 01 hour
      • Lecture8.24
        Virus 01 hour
      • Lecture8.25
        Fungi 01 hour
      • Lecture8.26
        Nutrition 01 hour
      • Lecture8.27
        Respiration 01 hour
      • Lecture8.28
        Transportation 01 hour
      • Lecture8.29
        Excretion 01 hour
      • Lecture8.30
        Skeleton and muscles 01 hour
      • Lecture8.31
        Nervous system 01 hour
      • Lecture8.32
        Reproduction 01 hour
      • Lecture8.33
        Hormones 01 hour
      • Lecture8.34
        Heredity and Genetics 01 hour
      • Lecture8.35
        Human Diseases 01 hour
      • Lecture8.36
        Biotechnology 01 hour
    • General Mental Ability Prelims + Mains 17

      • Lecture9.1
        Alphabet
      • Lecture9.2
        Analogy
      • Lecture9.3
        Classification
      • Lecture9.4
        Coding and Decoding
      • Lecture9.5
        Series- Number, Letter, Alphabet
      • Lecture9.6
        Direction
      • Lecture9.7
        Blood Relation
      • Lecture9.8
        Sitting Arrangement
      • Lecture9.9
        Time and Distance
      • Lecture9.10
        Time and Calendar
      • Lecture9.11
        Venn Diagram
      • Lecture9.12
        Syllogism
      • Lecture9.13
        Simple and Compound Interest
      • Lecture9.14
        Ratio and Proportion
      • Lecture9.15
        Percentage
      • Lecture9.16
        Profit and Loss
      • Lecture9.17
        Probability
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        8 Comments

      1. Admin bar avatar
        jit.biswa
        August 29, 2017

        not able to enroll this course. please guide !!

      2. Madhumita Hota
        November 25, 2017

        I have achieved a right direction to WBCS exam after enrolling this course. It is really helpful to me.

      3. Dibakar Bera
        January 17, 2018

        Sir 2019 ar batch a enroll korte gele ki korte hobe aktu janale valo hoi?

      4. Sridipa Banerjee
        February 10, 2018

        Zerosum is one of the best effective online course.It is very much useful to us. Study materials are too good.
        Teachers are very efficient and they guide us in proper way.
        Thank you zero sum.

      5. SHUBHAMOY ROY
        February 16, 2018

        Hi. ami ZERO SUM er WBCS Prelim and Main er 1st Online Live Class Korlam.Khub Bhalo Legeche Rudra Sir er Class. Onar Class Khub Logical and Effective.

      6. Soumyadip Banerjee
        February 17, 2018

        It’s a very well equipped online classroom for WBCS without any transportation costs …. thanks Zero Sum for guiding me

      7. Admin bar avatar
        Abhishek
        March 9, 2018

        Awesome explanation and complete coverage of Topic wise Each Subject. It is highly beneficial for not only those who are new to this battle field but also to those who had read it before in terms of revision. Your kind efforts are bringing a lot of happiness on the faces of thousands of the students as you are reducing their stress by saving their times. I wud like to thank and give respect to your kind efforts for the aspirants. Thank You Zero Sum.

      8. Baishali
        April 22, 2018

        Zero sum is doing an awesome job as it is providing such a platform first time in Bengal. Audio visual classes are well coordinated and teachers conduct the class quite well. Looking forward to more such classes…

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