I am a postdoctoral researcher in Weizmann Institute of Science, advised by Zvika Brakerski. My research primarily focuses on studying the lattice problems to analyze the security of lattice-based cryptosystems. I am broadly interested in theoretical computer science and cryptography.

I completed my Ph.D. under the Joint degree programme of Indian Institute of Technology, Kanpur and National University of Singapore, advised by Professors Manindra Agrawal and Divesh Aggarwal. Before coming to Weizmann Institute, I was a research fellow at Center for Quantum Technologies, NUS.

Email id: 

Recent News:

Research Papers:

with Yanlin Chen, Yilei Chen, Subhasree Patro, Florian Speelman

In Submission


with Huck Bennett, Yanlin Chen, Zeyong Li, and Spencer Peters.

In Submission.

with Divesh Aggarwal.

64th Annual Symposium on Foundations of Computer Science, FOCS, 2023.


with Divesh Aggarwal, Huck Bennett, Zvika Brakerski, Alexander GolovnevZeyong Li, Spencer Peters, Noah Stephens-Davidowitz and Vinod Vaikuntanathan.

55th ACM Symposium on Theory of Computing, STOC, 2023.


with Khoa Nguyen.

20th International Conference on Applied Cryptography and Network Security, ACNS, 2022.


with Divesh Aggarwal, Yanlin Chen and Yixin Shen.

Contributed talk at the 25th Conference on Quantum Information Processing, QIP, 2022.

Extended version of STACS 2021 paper with major differences.

[PDF] [Video]

with Divesh Aggarwal, Yanlin Chen, Zeyong Li and Noah Stephens-Davidowitz.

ACM-SIAM Symposium on Discrete Algorithms, SODA, 2021.

[PDF] [Video@CQT] [Video@SIGTACS, IITK]

with Divesh Aggarwal, Yanlin Chen and Yixin Shen.

38th International Symposium on Theoretical Aspects of Computer Science, STACS, 2021.


Invited to TOCS Special Issue for STACS 2021 (regretfully declined ).

with Amey Bhangale and Diptarka Chakraborty.

Approximation, Randomization, and Combinatorial Optimization. Algorithms and Techniques, APPROX/RANDOM, 2020.

[PDF] [Video] 

     with Nikhil Mittal and Shashank Singh.

19th International Conference on Cryptology in India, INDOCRYPT, 2018.


     with Mahesh Sreekumar Rajasree and Hoda AlKhzaimi

10th International Conference on Cryptology in Africa, AFRICACRYPT, 2018.


    with Shashank K Mehta and Mahesh Sreekumar Rajasree.


Ph.D. Thesis:

Exponential Time/Space Algorithms and Reductions for Lattice Problems  


Professional Service: 

Reviewed papers for TCC-2018 , CCC-2020, ANTS-2020, EUROCRYPT-2021, ITC-2021, ISIT-2021, CRYPTO-2021, QIP-2022, STOC-2022, TQC-2022, ICALP-2022, ESA-2022, QCRYPT-2022, ASIACRYPT-2022, FSTTCS-2022, ICALP-2023, TQC-2023, STOC-2023, FOCS-2023, SODA-2024