You will find pdf files of talks below. If you cannot get any file, then please write to me.

- "A positive meshless method for hyperbolic equations", First ASIAD (Inhouse) Symposium, Dept. of Aerospace Engg., Indian Institute of Science, Bangalore, 5 September, 2004.
- Finite volume method, National Workshop on Advances in Computational Fluid Flow and Heat Transfer, Annamalai University, October, 2005. (PDF)
- "Grid-free Methods for Compressible Flows", Fluid Dynamics Colloquium of Jawaharlal Nehru Center for Advanced Scientific Research, Bangalore, 9 November, 2005. (PDF)
- "Adjoint code development and optimization using automatic differentiation", CTFD Seminar, National Aerospace Laboratories, Bangalore, 31 March, 2006. [Slides]
- Lectures on basics of PDE and finite volume method to engineers from Kirloskar-Copeland at CMMACS, Bangalore, April 2006. (PDF)
- "Aerodynamic shape optimization using particle swarms and metamodels", Mathematics Colloquium of TIFR-CAM, Bangalore, September 30, 2008. (PDF)
- "Adjoint approach to optimization using automatic differentiation", Indo-German workshop/lecture Series on Computational Models and Methods Driven by Industrial Problems, Dept. of Math., IIT Madras, December 24, 2008. (PDF)
- "Aerodynamic shape optimization using particle swarms and metamodels", Indo-German workshop/lecture Series on Computational Models and Methods Driven by Industrial Problems, Dept. of Math., IIT Madras, December 25, 2008. (PDF)
- Two lectures given to bachelors students at St. Joseph College on ``Numerical methods for partial differential equations", as part of a workshop on mathematics sponsored by Indian Academy of Science, 31 Jan 2009. (Lecture 1), (Lecture 2)
- "Efficient aerodynamic shape optimization using particle swarms and metamodels", Aeronautical Development Agency, Bangalore, 16 July 2009.
- "Numerical shape optimization, adjoint equations and their uses", Inhouse sumposium of TIFR-CAM, 17-18 August, 2009. (PDF)
- "Discrete adjoint approach to CFD-based optimization", Indo-German Conference on PDE, Scientific Computing and Optimization in Applications, IIT Kanpur, 7-9 October, 2009. (PDF)
- "Numerical shape optimization", IMI Workshop on Control and Inverse Problems, Dept. of Mathematics, IISc, Bangalore, 1-15 December, 2009. (PDF)
- "Adjoint approach to optimization", Health, Safety and Environment Group, BARC, 6 October, 2010. (PDF)
- "Accurate uncertainty quantification using adjoint solutions", Health, Safety and Environment Group, BARC, 7 October, 2010. (PDF)
- "Numerical shape optimization for compressible flows", Mechanical Engineering Seminar Dept. of Mechanical Engg., IISc, Bangalore, 11 March, 2011. [Slides]
- "KE and entropy consistent schemes for compressible flows", Dept. of Aerospace Engg., IISc, 1 March, 2013. [Slides]
- "KE and entropy consistent schemes for compressible flows", Oberseminar, Dept. of Mathematics, University of Wuerzburg, 10 May, 2013. [Slides]
- "DG-KFVS schemes for convection-diffusion equations", Analysis seminar, Dept. of Mathematics, IISER Pune, 25 March, 2014. [Slides]
- "Kinetic DG schemes for compressible Navier-Stokes equations", Oberseminar, Dept. of Mathematics, Univ. of Wuerzburg, 30 June 2014. [Slides]
- "Well-balanced DG scheme for Euler equations with gravity", Oberseminar, Dept. of Mathematics, Univ. of Wuerzburg, 16 April 2015. [Slides]
- "Well-balanced discontinuous Galerkin method for Euler equations with gravity", Scientific Computing Seminar, Chair of Scientific Computing, TU Kaiserslautern, 7 May 2015.
- "Algorithm developments for compressible flows", Airbus Day, ICTS Bangalore, 11 January 2016. [Slides]
- "Discontinuous Galerkin methods for compressible flows", Airbus Flight Physics-Indian Academia Workshop, 8 July 2016, Bangalore. [Slides]
- "Discontinuous Galerkin methods for anisotropic diffusion", Oberseminar, Dept. of Mathematics, Univ. of Wuerzburg, 21 July 2016. [Slides]
- "Well-balanced schemes for Euler equations with gravity", Dept. of Mathematics, IIT Delhi, 26 October 2016. [Part 1, Part 2]
- "A globally divergence free discontinuous Galerkin method for induction and related equations", Oberseminar, Dept. of Mathematics, Univ. of Wuerzburg, 13 July 2017. [Slides]
- "On divergence-free reconstruction schemes for CED and MHD", Oberseminar, Dept. of Mathematics, Univ. of Wuerzburg, 26 April 2018. [Slides]
- "Exactly divergence-free methods for induction and related equations", Mathematics Institute, Univ. of Cologne, 7 May 2018. [Slides]