In this Issue Cover Page Contents Degree of Regularity of a Linear Diophantine EquationSukumar Das Adhikari and Sayan Goswami A(nother) Proof of the Simplicity of Alternating GroupsSagnik Chakraborty Spherical Trigonometry in Bhāskarācārya’s Siddhāntaśiromaṇi (1150 CE)M. S. Sriram What is Happening in the Mathematical World?Devbhadra V. Shah A Peep into History of MathematicsS. G. Dani Problem CornerUdayan Prajapati International Calendar of Mathematics EventsRamesh Kasilingam Click here to download this issue File Attachment Download PDF (1.37 MB) Tags TIMC Bulletin Publication Vol 6 Linear Diophantine Equation Alternating Groups Spherical Trigonometry