Computer Science And Engineering

Head of Department

Dr. Surmila Thokchom
Ph.D, NIT Meghalaya



Dr. C. Lalengmawia Research Scholar

M.Tech, Computer Science and Engineering, National Institute of Technology Meghalaya
+91 8415060618
Full Time/Part Time Scholar: Full-Time

Research Area

Quantum computing

Optimization of quantum circuits

Seminar/Conference Attended

Attended National Workshop on Recent Trends in Quantum Computing at Tripura University, 23-27 September 2019

Attended QFTA (Quantum Foundations, Technology and Applications) 2019 at IISER Mohali, 17-21 October 2019


  1. L. Chhangte and A. Chakrabarty: 'Technique for two-dimensional nearest neighbour realisation of quantum circuits using weighted look-ahead‘. IET Computers & Digital Techniques, vol. 14 (6), pp. 281-289 , November 2020.
  2. L. Chhangte and A. Chakrabarty: ' Mapping Quantum Circuits in IBM Q Devices using Progressive Qubit Assignment for Global Ordering’. New Generation Computing, vol.40, pp. 311–338, April 2022.
  3. L. Chhangte and A. Chakrabarty: 'Near-Optimal Circuit Mapping with Reduced Search Paths on IBM Quantum Architectures’. Microprocessors and Microsystems , vol 94, 104637, October 2022.


  1. L. Chhangte and A. Chakrabarty: ‘Optimization of Local Ordering Technique for Nearest Neighbour Circuits'. Machine Learning, Image Processing, Network Security and Data Sciences (MIND) 2020. Communications in Computer and Information Science (CCIS), Bhattacharjee A., Borgohain S., Soni B., Verma G., Gao XZ. (eds), vol 1241, pp. 182-192. Springer, Singapore.
  2. C. Lalengmawia and A. Chakrabarty: 'Compiling NCV Quantum Circuits for Nearest Neighbour Realization’. 2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE), Vellore, India, 2020, pp. 1-5