1. Editorial

   • Amit Roy

   EditorialNotes 15 October 2015 Pages: 757 - 758

2. Science smiles

   • Ayan Guha

   Announcement 15 October 2015 Pages: 759 - 759

3. Shyamadas Chatterjee

   • Amit Roy

   General/Article 15 October 2015 Pages: 762 - 768

4. When life played dice with royal blood

   • Anindita Bhadra

   General/Article 15 October 2015 Pages: 769 - 787

5. Sudoku squares as experimental designs

   • Jyotirmoy Sarkar
   • Bikas K. Sinha

   General/Article 15 October 2015 Pages: 788 - 802

6. Gravitational collapse and structure formation in an expanding universe

   • J. S. Bagla
   • Pritpal Kaur Sandhu

   General/Article 15 October 2015 Pages: 803 - 815

7. Split beta-lactamase complementation assay

   • Vaishali Verma

   General/Article 15 October 2015 Pages: 816 - 821

8. Sums of generalized harmonic series

   • Zurab Silagadze

   General/Article 15 October 2015 Pages: 822 - 843

9. Multithreaded processors

   • Venkat Arun

   General/Article 15 October 2015 Pages: 844 - 855

10. Classics

    • Rajaram Nityananda

    OriginalPaper 15 October 2015 Pages: 856 - 859

11. Science Academies’ Refresher Course in Recent Advances in Chemistry

    Information and Announcements 15 October 2015 Pages: 860 - 860

12. Refresher Course on Water: Its fascinating science and diverse implications in the natural world

    Information and Announcements 15 October 2015 Pages: 861 - 861

13. Science Academies’ Summer Research Fellowship Programme for students and teachers – 2016

    Information and Announcements 15 October 2015 Pages: 862 - 862

14. Flowering trees

    Announcement 15 October 2015 Pages: 863 - 863

15. Shyamadas Chatterjee (1909-1995)

    Announcement 15 October 2015 Pages: 864 - 864