1. Editorial

   • N. Sathyamurthy

   EditorialNotes 04 June 2019 Pages: 407 - 408

2. Science Smiles

   • Ayan Guha

   Announcement 04 June 2019 Pages: 409 - 409

3. Hermann Joseph Muller

   • Bodhisatta Nandy

   Article-in-a-Box 04 June 2019 Pages: 413 - 416

4. H J Muller

   • Bodhisatta Nandy

   General Article 04 June 2019 Pages: 417 - 431

5. GAIA

   • Priya Hasan

   General Article 04 June 2019 Pages: 433 - 444

6. Point and Space Groups of Graphene

   • Samiul Islam
   • S. S. Z. Ashraf

   General Article 04 June 2019 Pages: 445 - 457

7. Interpretation of Both Electron Pushing and Electron Withdrawing Inductive Effect of Alkyl Groups in Terms of Mulliken-Jaffe’s Charge Coefficient Parameters (b)

   • Asim K. Das

   General Article 04 June 2019 Pages: 459 - 476

8. Beyond Riemann With Volterra, Henstock, and Kurzweil

   • Mohammad Yasir Feroz Khan

   General Article 04 June 2019 Pages: 477 - 489

9. Nature-LKT

   • Rosalía Romero Tena
   • Juan Jesús Gutiérrez Castillo
   • María Puig Gutiérrez

   General Article 04 June 2019 Pages: 491 - 506

10. Indian Institute of Science Education and Research Kolkata

    Information and Announcements 04 June 2019 Pages: 507 - 508

11. Glochidion tirupathiense

    News 04 June 2019 Pages: 509 - 509