1. Editorial

   • Kusala Rajendran

   EditorialNotes 18 March 2021 Pages: 293 - 296

2. Science Smiles

   • Ayan Guha

   Announcement 18 March 2021 Pages: 297 - 297

3. The Journey of a Foot-Soldier Geologist

   • Jaishri Sanwal

   Article-in-a-Box 18 March 2021 Pages: 301 - 316

4. Khadg Singh Valdiya

   • Sampat Kumar Tandon
   • Ananya Divyadarshini

   General Article 18 March 2021 Pages: 317 - 339

5. Chlorine and the Chemistry of Disinfectants

   • N. Dastagiri Reddy
   • Anil J. Elias

   General Article 18 March 2021 Pages: 341 - 366

6. Gamma Function and Its Functional Equations

   • Ritesh Goenka
   • Gopala Krishna Srinivasan

   General Article 18 March 2021 Pages: 367 - 386

7. Bacteriocins from Lactic Acid Bacteria

   • Joyleen Fernandes
   • Rohit Kumbhar
   • Ram Kulkarni

   General Article 18 March 2021 Pages: 387 - 398

8. Natural Hexagons

   • Kishore Dutta

   General Article 18 March 2021 Pages: 399 - 413

9. Building Research Competence in Undergraduate Students

   • Smitha Hegde
   • Indrani Karunasagar

   General Article 18 March 2021 Pages: 415 - 427

10. Partial Least Square (PLS) Analysis

    • Keshav Kumar

    General Article 18 March 2021 Pages: 429 - 442

11. Maxwell’s Demon, Szilard Engine and Landauer Principle

    • P. S. Pal
    • A. M. Jayannavar

    General Article 18 March 2021 Pages: 443 - 462

12. Arbitrary vs. Random

    • Aniruddha V. Deshmukh

    Classroom 18 March 2021 Pages: 463 - 467

13. Erratum to: S S Shrikhande: The Euler Spoiler by Sharad S. Sane

    • Sharad S. Sane

    Erratum 18 March 2021 Pages: 468 - 468

14. Life Under Water

    • Sindhu Radhakrishna

    Announcement 18 March 2021 Pages: 469 - 469