Invited Talks and Conferences

•  Convergence of adaptive mixed FEMs for linear elliptic problems based on separate marking, 9th International Congress on Industrial and Applied Mathematics (ICIAM 2019), Valencia, Spain, July 15-19, 2019.
•  Stabilized finite element methods for convection-diffusion problems, In-house Symposium, Depratment of Mathematics, IISc, March 28-29,  2019.
•  Unified error analysis of finite element methods for the optimal control problems governed by Stokes equation, at  Second National Conference on Control and Inverse Problems Central University of Tamil Nadu, Thiruvarur, Tamil Nadu, March 1-2, 2019. 
• Patch-wise local projection nonconforming FEM for convection-diffusion problem at XVII International Conference on Hyperbolic Problems Theory, Numerics, Applications, University Park, Pennsylvania, USA, June 25-29, 2018.
• Edge patch-wise local projection nonconforming FEM for convection-diffusion problem, at Indian Institute of Science,  IWM Annual Conference 2017, 13-15 July, 2017.
• Patchwise local projection stabilization for convection-diffusion problem at IIT Bombay, Recent advances in PDE: Theorey, Computations and application, 8-10 June, 2017.
• Quasi-optimality of adaptive mixed finite element methods at Department of Mathematics, IISc Bangalore,    7 March 2017.
• Expanded mixed finite element methods a nonlocal problem of elliptic type at International Conference on Recent Advances on Theoretical and Computational Partial Differential Equations with Applications,  Panjab University, Chandigarh,  5-9th December, 2016.
• Error analysis of mixed FEMs for general second order linear elliptic problems at the 14th European Finite Element Fair, Bonn, Germany, 20-21 May 2016.
• Mixed finite element method for a class of general second order linear elliptic problems at International Conference on Current Trends in PDEs: Theory and Computation, South Asian University, New Delhi, India, 28-30 December  2015.
• Error analysis of mixed finite element methods for the general second-order linear elliptic problem at Department Symposium, IIT Bombay, India, 20 August 2015.
• Convergence of adaptive mixed finite element methods for second order elliptic problems at the International Congress on Industrial and Applied Mathematics (ICIAM) 2015,  Beijing, China, 13 August 2015.
• Error analysis of nonconforming and mixed FEMs for second-order linear non-selfadjoint and indefinite elliptic problems at IWR, Heidelberg University, Germany, 22 October 2014.
• Convergence of an adptive mixed finite element methods for general second order linear elliptic problems at Institut f\"ur Mathematik, Humboldt-Universit\"at zu Berlin, Berlin, Germany, 5 November 2014.