1. Assistant Professor, NIT Meghalaya from 01-06-2012 to continuing

2. Assistant Professor, St Anthony's College Shillong, from 24-03-2007 to 31-05-2012

3. Assistant Professor, St. Edmund's College Shillong, from 25-05-2006 to 24-03-2007

1. Tikaram Subedi and Debraj Roy, Revisiting J-semicommutative rings, Accepted in Indian Journal of Pure and Applied Mathematics
2. Sanjiv Subba, Tikaram Subedi and Ardeline M. Buhphang, Pointwise semicommutative rings,  Mathematical Notes,   114(6)(2023), 1350-1357
3. Sanjiv Subba and Tikaram Subedi, NJ-semicommutative rings,  Miskolc Mathematical Notes, 24 (3), (2023), 1569-1579
4. Sanjiv Subba and Tikaram Subedi, Left Nil Zero Semicommutative Rings ,  Bulletim da Sociedade Paranaense de Matematica, 41 (2023), 1-8
5. Debraj Roy, Sanjiv Subba and Tikaram Subedi, Domain Property of rings relative to Jacobson radical,   Annali Del Universita Di Ferrara. 69 (2023),195-202
6. Debraj Roy and Tikaram Subedi, Symmetricity of rings relative to the prime radical , Boletim da Sociedade Paranaense de Matematica, 41(2023), 1-6
7. Debraj Roy and Tikaram Subedi, On semireversible rings, Asian European Journal of Mathematics, 15(2) (2021), 2150018
   
8. T. Subedi and D. Roy, On a common generalization of symmetric rings and quasi duo rings, Algebra and Discrete Mathematics, 29 (2) (2020), 249-258
   
9. Debraj Roy and  Tikaram Subedi, Generalized semicommutative rings, Vestnik, St. Petersberg University, Mathematics,  53 (2020), 68-76
10. Debraj Roy and  Tikaram Subedi, On a generalization of reversible rings, An. Stiint.Al.I. Cuza lasi. Mat (N.S) , 65(2) (2019), 331-340
    
11. Tikaram Subedi and  Ardeline Mary Buhphang, On Left SF-rings and strongly regular rings, Kyungpook Mathematical Journal, 56 (3) (2016), 861-866
    
12. Tikaram  Subedi and A.M Buhphang, On strongly regular rings and generalizations of v-rings, International Electronic Journal of Algebra, 14 (2013), 10-18
    
13. Tikaram  Subedi and  Ardeline Mary  Buhphang, On SF-rings and regular rings, Kyungpook Mathematical Journal, 53(3)(2013), 397-406
    
14. Tikaram Subedi and  A.M. Buhphang, On strongly regular rings and generalizations of semicommutative rings, International Mathematical Forum, 7(16) (2012),  777-790
    
15. Tikaram Subedi  and  A. M. Buhphang, On Weakly regular rings and generalizations of V-rings, International Electronic Journal of algebra, 10(2011), 162-173
    

Books:

Abstract Algebra, Number Theory, Measure Theory, Topology, Advanced Ring Theory, Engineering Mathematics-I,  Engineering Mathematics-II, Engineering  Mathematics-III, Mathemartics-I, Mathematics-II, Mathematics-III, Advanced Engineering Mathematics, Integral Transform and PDEs, Scientific Computing, Mathematics Laboratory, Advanced Calculus, Statics

• Ph.D 
• 1. Debraj Roy, Title: Subclasses of J- semicommutative rings (Completed in 2020)
• 2. Sanjiv Subba (Thesis Submitted)
• 3. Dibyasman Sarma (ongoing)
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• M.Sc (completed)
  
• Nisha Mishra, , Title: Harmonic Numbers, 2016-2017
• Amrich Kupar Kurbah,  Title: Some ring Theoretic concepts in Monoids and semigroup, 2016-2017
• Amrich Kupar Kurbah,  Title: von Neumann Regular Rings and some generalization of nil clean rings, 2016-2017
• Teidor Khyllep, Title: Algebraic Coding Theory, 2017-2018
• Bhagyashree Patgiri: Title: Generalization of ideals, 2018-2019
• Donkupar Dkhar, Title: Pseudo Primes, 2018-2019
• Bichu George: Title: Generalizations of weakly regular rings, 2019-2020
• Chandan Kumar Akela, Title: Rings with some commutative conditions, 2019-2020
• Banrisuk Suting,  Title: Nilradical of some classes of rings, 2020-2021
• Provid Longthasa, Title: Commuting probabaility of finite rings, 2021-2022
• Lily Sharon Lyngdoh, Title: A study of some classes of Ideals in commutative rings, 20222-2023

M.Sc (ongoing)

1. Nabonita  Saha

1. Chairman Examination Committee (07-09-2017 to 30-06-2020)

2. Head Department of Mathematics (17-08-2015 to 16-08-2017)

3. Warden NIT Meghalaya Hostel (30-01-2015 to 30-06-2017)