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Dhruba Chand Halder College


Qualification : M.Sc.
Specialization : Marine Science & Microbiology
Designation : State Aided College Teacher (SACT-II)

NAME:   Dipankar Roy

DESIGNATION: State Aided College Teacher (SACT-II)

SPECIALIZATION: Marine Science & Microbiology

B.Sc. (2000): Dinabandhu Andrews College (Calcutta University)

M.Sc. (2002): Calcutta University (Marine Science)

M.Sc. (2013): EIILM University (Microbiology)

PhD:  Pursuing from Calcutta University

TELEPHONE: (+91) 9088554922




  • Govt. approved CWTT, Department of Microbiology, College: Dhruba Chand Halder College (From 19.08.2004 – June, 2020).


  • Teaches Theory & Practical Classes of 1st year, 2nd year & 3rd year and also 1st to 4th semester Biochemistry, Molecular Biology, Biotechnology & Biophysical Chemistry


  • Working as an internal, external examiner, Scrutinizer and Question Paper setter of selected by University.
  • Working as HOD of Department from September 2004 - July2019.



Member of Academic Sub-committee from September 2004 - July2019.


  • Seminars Attended:
  • Attended a National Level Seminar on Bioresource & Human Welfare organized by Department Of Botany & Zoology Of Lady Brabourne College sponsored By  UGC In Collaboration with Botanical Survey Of India & Zoological Survey Of India on 20th & 21st January, 2011


  • Attended a National Level Seminar on Molecular Approaches in Applied Biochemistry: Recent Advancements organized by Department Of Biochemistry Of West Bengal State University, Kolkata, India on 12th & 15st February, 2016.
  • Participated in UGC- Sponsored Golden Jubilee National Seminar on “Discoveries in Chemistry Those Changed the World” held on November 22nd & 23rd, 2016, organized by the Departments of Chemistry, Dhruba Chand Halder College, Dakshin Barasat, 24-Parganas (South) in collaboration with Netaji Subhas Engineering College.


  • Participated in International Webinar on “Corona Pandemic-Searching hope and responsibilities” Organized by Department of Zoology in collaboration with IQAC , Asansol Girls’ College, West Bengal, India on 20th June 2020.
  • Participated in Two –Days International  Webinar On “Trajectory of COVID-19 Pandemic: Awareness, Treatment and Genomic  Insight for Future Development” Organized by Department of Microbiology, Bankura Sammilani College,  West Bengal, India from 14th–15th June,2020.


  • Participated in RUSA sponsored National Webinar ‘Biofacet-Plant Health Management’ held by Department of Microbiology and Biotechnology by Sir Sitaram & Lady Shantabai Patkar College of Arts & Science and V. P. Varde College of Commerce & Economics- An Autonomous College, Affiliated to University of Mumbai on 29th June, 2020.
  • Attended the National On-line Seminar on “COVID-19 Pandemic - Challenges and Conquest for Students“ held on 26th June, 2020, jointly organized by Department of Chemistry and Department of Zoology and supported by IQAC, City College, Kolkata – 09.


  • Participated actively in the Online Lecture Series on “CRITICAL THINKING” organized by Department of Philosophy and IQAC, East Calcutta Girls’ College from 17th to 19th June, 2020.
  • Successfully participated in the Webinar “Challenges and Opportunities of Higher Education Institutions During & Post COVID-19 Pandemic” organized by PG Department of Education, Fakir Mohan University, Balasore, Odisha on 22nd June, 2020.


  • Active and invaluable participation in the national webinar on “Carcinogenesis of Hexavalent Chromium: Impacts, Molecular Mechanisms, and Remediation Strategies for Sustainable Environment” held on 01.07.2020 organized by Heredity Life Sciences, KIIT-TBI, Bhubaneswar, Odisha.
  • Participated in State Level Webinar “Recent Trends in Aquaculture & Virus: New Challenges to Mankind” held on June 22, 2020 organized by Post Graduate Department of Zoology, Hooghly Mohsin College, Chinsurah, West Bengal.


  • Attended the Webinar on “Covid-19 Invasion: A Challenge to Humanity”, organized by Department of Microbiology T.H.K. Jain College, Cossipore, Kolkata-700002 on 29th June, 2020.
  • Participated in the Microbiological webinar series on “MICROBES FOR HUMAN WELFARE” Organised by P.G. Department of Biotechnology of Lyallpur Khalsa College, Jalandhar, Punjab held from 12th - 14th June, 2020.


  • Participated in a One-day Webinar on “PRECISION MEDICINE AND CANCER” organized by the Department of Biological Sciences, Prabhu Jagatbandhu College, Howrah on 8th July,2020.
  • Participated in a Webinar ‘Avenues in Microbiology’ held on 20 June, 2020 3:30 p.m. to 6:30 p.m. organized by N.R. SWAMY COLLEGE OF COMMERCE & ECONOMICS & SMT.THIRUMALAI COLLEGE OF SCIENCE, the Department of Microbiology, S.I.W.S. College in collaboration with Microbiologist Society, India.


  •  Presented Paper/delivered talk on Seminars and Webinars:
  • Delivered an invited lecture in Microbiology Seminar entitled “The Yin and Yang of Microbiology” organized by

Department of Microbiology, Raidighi College on 15th September, 2016.

  • Presented an Oral presentation titled “Characterization of bacteria isolated from potentially heavy metal polluted environment” UGC- Sponsored National Seminar on “Recent Advances in Biological Sciences ” held on February 17th and 18th, 2017, organized by the Departments of Microbiology, Gurudas College, Kolkata in collaboration with Indian Institute of Chemical Biology, Jadavpur  and Dum Dum Motijheel College, Kolkata.


  • Presented an Oral presentation titled “Studies on Chromium and Cobalt resistant bacteria isolated from potentially heavy metal polluted environment.” In the ISMPP Zonal Meet (East Zone) and National seminar On “Impact of Changing environment on Plants, Microbes and their Interactions” held at Department Of Botany, Visva-Bharati during September 13th – 14th, 2017.
  • Presented a Poster entitled “Isolation and Characterization of Chromium and Cobalt Resistant Bacteria From Industrial Sludge” in International seminar “Frontiers in Biological Science (FIBS)” organized by Department of Microbiology, St. Xavier’s College, Kolkata on 30th January, 2018 sponsored by Department of Science and Technology, Government of West Bengal.


  • Presented an Oral presentation entitled by “Characterization of Two Chromium Resistant Bacteria isolated From Galvanizing Industrial Sludge” In the National E-conference on “Interdisciplinary research in Science and Technology”  organized by Amiruddaula Islamia degree college, Lucknow (U.P.), India held on May30th – 31st, 2020.
  • Presented an Oral presentation entitled by “Identification of Two Cobalt Resistant Bacteria isolated From Galvanizing Industrial Sludge” In a two day international webinar on “Chemistry and Biology: Sustainable progress of human civilization” organized by Department of Chemistry, P.K college, Contai in collaboration of Indian Chemical Society on June 29th and 30th, 2020.


  • Workshops:
  • Participated a Workshop entitled “ Plant Systematics: Challenges and Perspectives and Dr. Dan H. Nicholson Memorial Lectures” on and from 13th to 23rd February, 2017 held at Department of Botany, University of Calcutta, Kolkata, India funded by Ministry of Environment, Forest and Climate Change, Govt. of India.


  • Participated a one day Workshop entitled “Workshop On Pattern, Structure & Guideline Of Choice based Credit System” on 3rd April, 2018 organized by Department of Microbiology in Collaboration with Career Counseling Cell of Dhruba Chand Halder College, Dakshin Barasat, South 24 Parganas.
  • Participated a one day Workshop entitled “Teaching Environmental Science at the Undergraduate level” on 2nd February, 2019 organized by IQAC, Dhruba Chand Halder College, Dakshin Barasat, South 24 Parganas.


  • Participated in BioTecNika Schrodinger Joint Workshop on “Computer - Aided Drug Discovery” on and from 22nd July to 2nd August, 2019 Organized by Biotecnika Info Labs Pvt. Ltd.
  • Participated “SPARC-INDO-US Immunology” workshop jointly organized by Indian Institute of technology (IIT), Ropar, India and The George Washington University, USA on June 12-13, 2020.


  • Attending a hands-on-experience and learning about “Next Generation Sequencing: Hands-on using variant analysis” a two days Online National Workshop held on 13th and14th June, 2020 organized by AVASTAMBH: A novel nature of discipline and disquisition.
  • Participated and completed 6 days’ workshop on “Statistical and Data Analytics with Python” organized by “CYPHER” June 22-23, 2020.


  • Faculty Development Program (FDP)
  • Participated in the National Level Online Faculty Development Program Entitled “Paradigm Shift in Teaching-Learning Pedagogy & Scope of Research Methods in Post COVID Era” Organized by Department of Education & IQAC, East Calcutta Girls’ College, Kolkata from June 09, 2020 to June 15, 2020 and obtained Grade A.


  • Professional Courses
  • Completed 6 months Certificate Course in Proficiency In Shorthand from Jubilee Commercial College (Govt. Affiliated), Govt. Regd. No. 4612 in 2008 with 120 W.P.M. (Eng).


  • Completed 6 months Certificate Course in “Information Technology (CITA)” from Palbazar Youth Computer Training Centre (Govt. Of West Bengal, Dept. Of Sports & Youth Service in 2009 with Grade A (Between 80%-89%).
  • Completed Certificate course In “Telecentre/Village Knowledge Centre Management” from Indira Gandhi National Open University (IGNOU) in 2012 with Grade B (Passed with Overall Point/Letter Grade: 3.70/B).
  • Successfully completed 2-hour Course on “CANCER GENOMICS | Transforming study to diagnose and treat Cancer” on 22 June 2020 organized by BDG Life Sciences.


  • Participated in 25 hours “Online Certificate Course in Recombinant DNA Technology” from 23rd -27th June, 2020 organized by UKA Tarsadia University.



              Membership No. - LM/IIS/559/02/17


             Membership No. - SFE/17/I-1001


      Section: NEW BIOLOGY(Including Biochem, Biophys & MolBio &Biotech)
Membership No.- L31967.


Membership No.- LM/349


PhD Project title: Bioremediation of Heavy Metals in Industrial Sludge by Microbial Consortia.

PhD Project Description:

          Ph.D./MPhil Coursework                     : Completed
University                                             : West Bengal State University.
Date                                                       : November, 2016
Result                                                    : B+ (70-79%)
Ph.D. Registration                                : St. Xavier’s College (Autonomous)
          Ph.D. Roll No.-                                      : PhD/16/MCB/01
          Department                                           : Microbiology
          Date                                                       : 04.04.2018
          Principal Supervisor                            : Dr. Arup Kumar Mitra
          Topic of Research                                : Bioremediation of Heavy Metals in Industrial Sludge by Microbial Consortia.

          Work Done so Far:

  • Sample collection.
  • Isolation of Heavy metal tolerant bacteria from this sample.
  • Colony character analysis & Differentiation by colony Color
  • ICP/OES analysis of samples
  • Heavy Metal Tolerance study
  • LD50Analysis & Uptake Study in LD50
  • Gram Staining , Motility Test & Biochemical parameter study of the selected tolerant strains
  • MIC test
  • Determination of Growth pattern and generation time of selected strains in the metal containing broth
  • 16s rRNA study & FAME Analysis
  • Antibiotic Sensitivity Test & Determination of Antagonism between the strains used in the development of consortium
  • Isolation, estimation and SDS Gel Electrophoresis of Protein



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