1. IMPOSSIBILITY OF DESTROYING QUANTUM INFORMATION
    Calcutta Mathematical Society on December 2008.
  2. IMPOSSIBILITY OF PARTIAL SWAPPING OF QUANTUM INFORMATION
    New Alipore Govt College on June 2009.
  3. IMPOSSIBLE OPERATIONS IN QUANTUM INFORMATION THEORY
    Institute of Physics, on March 2009.
  4. QUANTUM DISSENSION- GENERALIZATION OF QUANTUM DISCORD FOR THREE QUBIT STATES
    IIT Hyderabad on March 2011.
  5. QUANTUM DISSENSION- GENERALIZATION OF QUANTUM DISCORD FOR THREE QUBIT STATES
    Bose Institute Kolkata on May 2011.
  6. QUANTUM DISSENSION- GENERALIZATION OF QUANTUM DISCORD FOR THREE QUBIT STATES
    Harish Chandra Research In- stitute, Allahabad on June 2011.
  7. QUANTUM DISSENSION- GENERALIZATION OF QUANTUM DISCORD FOR THREE QUBIT STATES
    IIT Patna on October 2011.
  8. A SHORT EXPEDITION TO THE WORLD OF QUANTUM INFORMATION
    IIIT Hyderabad on January 2012.
  9. QUANTUM DISSENSION- GENERALIZATION OF QUANTUM DISCORD FOR THREE QUBIT STATES
    S.N.Bose National Centre for Basic Sciences on January 2012.
  10. RETRIVING AND ROUTING QUANTUM INFORMATION IN A QUANTUM NETWORK
    Meeting on Quantum Information Processing and Applications 2013, HRI
  11. COMPLEMENTARITY OF QUANTUM CORRELATIONS IN CLONING AND DELETING OF QUANTUM STATE
    IPQI 2014 in Institute of Physics.
  12. BASICS OF QUANTUM INFORMATION THEORY
    ANURAG, DRDO, Hyderabad, India.