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Guides for Indian students — coding, BCA / MCA university notes, school revision and competitive-exam prep, with a special focus on Delhi NCR colleges.
Free study guides, roadmaps and college-specific resources from Siksha Sarovar — covering BCA / MCA / B.Tech notes, coding courses, placement preparation, IPU CET guidance and government-exam prep for students across India. 24 articles, all free to read with no sign-up required.
All articles (24)
- Best Free BCA Notes in Delhi & Greater Noida — Subject-wise Guide for IPU (GGSIPU) Students — Looking for the best free BCA notes in Delhi or Greater Noida? A subject-wise guide to the GGSIPU (IP University) syllabus plus Galgotias, Sharda and Bennett BCA students — Data Structures, DBMS, Computer Networks, WBP, COA, DVA and more — with previous-year papers, an online compiler and an AI tutor. No sign-up, no fees.
- BCA & Engineering Colleges in Delhi NCR — the Practical Map — A practical map of top BCA and engineering colleges across Delhi NCR — IIT Delhi, DTU, NSUT, IIITD, GGSIPU affiliates, YMCA Faridabad, Amity Noida, JIIT, Galgotias, Sharda, Bennett, KIET Ghaziabad and more — and how Siksha Sarovar pairs with each.
- IPU CET BCA Preparation — Section-wise Strategy and Study Plan — Section-wise preparation for IPU CET BCA — English, Maths, Reasoning and Computer Awareness / GK — plus mock-test advice and the notes you will need once you join GGSIPU.
- DSA in 30 Days — a Realistic Roadmap for Placement Coding Rounds — A 30-day data-structures-and-algorithms roadmap using only free Siksha Sarovar resources — covers arrays, lists, stacks, trees, graphs, hashing, DP, plus DBMS / Networks side-topics. Includes language pick, daily practice, and the in-browser online compiler.
- Doing BCA & BTech Lab Assignments in an Online Compiler — How a browser-based compiler fits daily lab work — Python, Java, C, C++, C#, JavaScript, PHP and SQL with stdin support, mapped to IPU WBP Lab, DVA Lab, C# Lab and DBMS practicals, with an AI tutor for debugging.
- Free MCA Notes for Delhi NCR — YMCA, IPU, Amity, Galgotias & Sharda (Greater Noida) — Structured MCA notes for Delhi NCR students at YMCA Faridabad, GGSIPU, Amity Noida, and Galgotias & Sharda in Greater Noida — Data Structures, DBMS, Computer Networks, DVA/DAA, Big Data, Software Testing, Unix, High Speed Networks, C# and Probability & Statistics.
- C Programming from Scratch — Variables to Pointers and File I/O — A free, structured C course for BCA and BTech students — variables, arrays, pointers, functions, file I/O and DSA fundamentals, with runnable examples in the built-in online compiler.
- Core Java for Placements — What to Learn and in What Order — A free Java course sequenced for placement preparation — OOP, collections, exception handling, multithreading and Java 8+ features, aimed at BCA/BTech students targeting service and product companies.
- Python for Beginners — Syntax to First Projects — A free Python course for absolute beginners — syntax, OOP, file handling, NumPy and Pandas basics, plus mini-projects that lead naturally into data science and machine learning.
- Machine Learning, Explained from Theory to Code — A free machine learning course — supervised and unsupervised learning, neural network basics, model evaluation and practical projects, with Python and basic maths as the only prerequisites.
- DBMS Notes — ER Diagrams to SQL, Transactions and Indexing — Complete DBMS notes for BCA and MCA — ER modelling, normalisation (1NF to BCNF), SQL, transactions, ACID properties, indexing and query optimisation, aligned with IPU, YMCA Faridabad and AKTU syllabi.
- Data Structures & Algorithms Notes — Arrays to Graphs — DSA notes for BCA/MCA — arrays, linked lists, stacks, queues, trees, graphs, sorting/searching and hashing — written for university exams and placement coding rounds.
- MCA at YMCA Faridabad (J.C. Bose University) — Semester-wise Notes — Semester-mapped MCA notes for J.C. Bose University (YMCA) Faridabad — DBMS, DSA, Computer Networks, Software Testing, Big Data, DVA, C#, Unix, Probability & Statistics and High Speed Networks, with PYQ patterns.
- Class 10 Maths & Science Notes — NCERT-aligned for CBSE and HBSE — Chapter-wise Class 10 notes for Maths and Science, aligned to NCERT for both CBSE and HBSE (Haryana Board) — all 14 Maths chapters and 15 Science chapters with worked examples, diagrams and board-pattern practice questions.
- SSC CGL Preparation Without Coaching — Tier 1 & Tier 2 Strategy — A self-study SSC CGL plan covering Tier 1 and Tier 2 — section-wise strategy for Quantitative Aptitude, Reasoning, English and GK, plus a daily practice routine built entirely on free resources.
- UPSC Preparation on a Zero Budget — Prelims & Mains Strategy — How to structure UPSC preparation with free study material — GS Papers 1–4 approach, CSAT tips, a current-affairs routine, and the competitive resources that map to each stage of the exam.
- Banking Exam Preparation — IBPS & SBI PO/Clerk Strategy — A section-wise plan for IBPS PO, SBI PO and Clerk exams — Quantitative Aptitude, Reasoning, English, GK and Computer Aptitude, with daily practice tips built on free resources.
- Computer Networks Notes — OSI to TCP/IP, Routing and Security — Computer Networks notes for BCA and BTech — OSI model, TCP/IP, data link layer, routing algorithms, HTTP, DNS and network security, aligned with IPU, YMCA and AKTU syllabi and useful in placement interviews.
- HTML & CSS from Zero — Build Your First Real Website — A free web-development starting point — HTML5 semantic elements, CSS Flexbox, Grid, animations and responsive design, with a pathway that continues into JavaScript and backend work.
- The Data Science Path — Python, Statistics, ML and Beyond — A complete data-science learning roadmap — Python → Statistics → Data Science → Machine Learning → AI → Big Data — with career paths, tools, and the free courses that cover each stage.
- Free BTech Notes for Delhi NCR — Every Major College, City by City — BTech CS/IT notes mapped to Delhi NCR colleges — IIT Delhi, DTU, NSUT and the GGSIPU affiliates, JIIT and Amity in Noida, Galgotias, Sharda and Bennett in Greater Noida, YMCA and Manav Rachna in Faridabad, KIET in Ghaziabad — covering DSA, DBMS, OS, Networks, COA and more.
- AKTU BTech Notes — the Core CS/IT Subjects, Covered Properly — BTech notes matched to the AKTU (Dr. APJ Abdul Kalam Technical University) CS/IT syllabus — DSA, DBMS, Computer Networks, OS, COA, OOP with Java, Theory of Computation, Software Engineering, Data Science and AI/ML — for colleges across Noida, Greater Noida, Ghaziabad and Lucknow.
- Operating Systems Notes — Processes to Virtual Memory — Operating Systems notes for BTech and BCA — processes, threads, CPU scheduling, deadlocks, memory management, virtual memory, file systems, I/O management and the Linux shell, aligned with IPU, AKTU, YMCA, DTU and NSUT syllabi.
- BTech Placement Preparation — the 5 Topics Interviews Actually Test — A placement-preparation guide built around the five core technical topics — DSA, Operating Systems, DBMS, Computer Networks and OOP — with a study roadmap and practice tips for both service and product companies.
Frequently asked questions
Is everything on the blog free?
Yes — every article on the Siksha Sarovar blog is free to read, with no account required.
Who writes these articles?
Articles are written by the Siksha Sarovar team — practising developers and educators. See the author pages for credentials.
How often is new content added?
New study guides, notes and roadmaps are added regularly, especially around exam and admission seasons.