1. Editorial

   • B. Sury

   Departments 02 October 2019 Pages: 931 - 932

2. Science Smiles

   • Ayan Guha

   Departments 02 October 2019 Pages: 933 - 933

3. Veeravalli S Varadarajan

   • B. Sury

   Departments/Article-in-a-Box 02 October 2019 Pages: 937 - 940

4. V S Varadarajan at the Indian Statistical Institute, Calcutta

   • K. R. Parthasarathy

   General Article 02 October 2019 Pages: 941 - 946

5. In Memoriam — V. S. Varadarajan

   • Ramesh Gangolli

   General Article 02 October 2019 Pages: 947 - 962

6. Switches in the Brain?

   • Dilawar Singh

   General Article 02 October 2019 Pages: 963 - 975

7. Gravitational Collapse and Structure Formation in an Expanding Universe with Dark Energy

   • Manvendra Pratap Rajvanshi
   • Tuneer Chakraborty
   • J. S. Bagla

   General Article 02 October 2019 Pages: 977 - 993

8. How to Design Experiments in Animal Behaviour

   • Raghavendra Gadagkar

   Series Article 02 October 2019 Pages: 995 - 1014

9. The Sounds of Music : Science of Musical Scales

   • Sushan Konar

   Series Article 02 October 2019 Pages: 1015 - 1023

10. Integrating Climate Change Education Across the Curriculum

    • L. S. Shashidhara

    Classroom 02 October 2019 Pages: 1025 - 1028

11. Face to Face with Professor Jayant V Narlikar

    Face to Face 02 October 2019 Pages: 1029 - 1045

12. Glimpses of Acharya P C Ray’s Work in Chemical Sciences

    • N. Sathyamurthy

    Departments/Book Review 02 October 2019 Pages: 1047 - 1048

13. Information and Announcements

    Announcement 02 October 2019 Pages: 1049 - 1050

14. Birds in the Backyard

    • T. N. C. Vidya

    Departments/Inside Back Cover 02 October 2019 Pages: 1051 - 1051