Delivered an Expert Talk on "Socialbots Detection in Online Social Networks using Machine Learning Techniques" at the Faculty Development Program on Enabling Technologies for Artificial Intelligence, Machine Learning and IOT organized by Department of Computer Engineering, AMU Aligarh under the AICTE Training And Learning (ATAL) scheme during June 21-25, 2021.

Delivered a Keynote Speech on "Social Network Analytics: Characteristics, Challenges and Research Directions" at the IEEE Computational Intelligence Society (CIS) Summer School on Emerging Research Trends in Computational Intelligence – Theory and Applications organized by Optimization and Machine Learning Lab, IIT Indore during Nov. 26-29, 2020.

Presented two research papers entitled “SentiLangN: A Language-Neutral Graph-Based Approach for Sentiment Analysis in Microblogging Data" and “A Graph-Theoretic Embedding-Based Approach for Rumor Detection in Twitter" at the 18th IEEE/WIC/ACM International Conference on Web Intelligence (WI), Thessaloniki, Greece, Oct. 14-17, 2019.

Delivered an Invited Talk on "Social Network Analytics: Characteristics, Challenges, and Research Directions" at the 18th Refresher Course in Computer Science and Information Technology organized by UGC-Human Resource Development Centre, JNU, New Delhi, during Sep. 16-27, 2019.

Delivered an Invited Talk on "Social Network Analysis: Basic Concepts, Challenges, and Applications" at the Workshop on Social Media and Data Analytic organized by Department of Computer Engineering, AMU Aligarh on March 15, 2019.

Received best paper award at the Social Networking Workshop, organized in association with the 11th International Conference on Communication Systems and Networks (COMSNETS), Bangalore, India, Jan. 7-11, 2019.

Presented three research papers entitled "A Multi-Attributed Graph-Based Approach for Text Data Modeling and Event Detection in Twitter", "SubISO: A Scalable and Novel Approach for Subgraph Isomorphism Search in Large Graph", and "A Text Data Augmentation Approach for Improving the Performance of CNN" at the 11th International Conference on Communication Systems and Networks (COMSNETS) and its associated workshops, Bangalore, India, Jan. 7-11, 2019.

Delivered a Keynotye Address on "Data Analytics and Smart Computing" at the 9th National Students' Conference on Information Technology & 4th International Conference on ICT with Smart Computing, Kathmandu, Nepal, Dec. 29, 2018

Delivered an Invited Talk on "Research Challenges in Network Science" at the Faculty Development Programme on Network Science: Foundation of Social Network Analysis organized by Ramanujan College and Department of Computer Science, University of Delhi, Dec. 3-8, 2018.

Presented a research papers entitled "A Layered Approach for Summarization and Context Learning from Microblogging Data" at the 20th International Conference on Information Integration and Web-based Applications & Services (iiWAS), Yogyakarta, Indonesia, Nov. 19-21, 2018.

Organized an international workshop on "Data Analytics and Machine Intelligence (DAMI)" at the Tribhuvan University, Kathmandu, Nepal, Dec. 9-11, 2017.

Delivered an Invited Talk on "Fusing Content and Structural Information for a Deeper Insight" at the Department of Computer Science, University of Delhi, New Delhi, India on March 17, 2017.

Delivered an Invited Talk on "Ranking Social Media Users using Structural and Textual Features" at the National Seminar on Cloud Computing and its Applications organized by School of Engineering Sciences and Technology, Jamia Hamdard, New Delhi, India during March 9-10, 2017.

Delivered an Invited Talk on "Ranking Social Media Users using Structural and Textual Features" at the Faculty Development Program (FDP) on Machine Learning and its Application in Text and Image Analytics organized by JSS Academy of Technical Education, Noida, UP, India during Jan. 30 to Feb. 3, 2017.

Delivered an Invited Talk on "Social Network Analysis and Mining" at the Faculty Development Program (FDP) on Big Data Analytics, Data/Text Mining Using SPSS organized by YMCA University, Faridabad, Haryana, India during December 5-9, 2016.

Delivered an Invited Talk on "Mining User-Generated Contents for Open Source Intelligence" at the Workshop on Big Data and Soft Computing: Techniques and Applications organized by the Department of Computer Engineering, Aligarh Muslim University, Aligarh, UP, India during October 5-9, 2016.

Delivered an Invited Talk on "Social Computing - An Application to Open Source Intelligence" at the National Seminar on Emerging Trends in Data Sciences and Artificial Intelligence organized by BGSB University, Rajoiri, J&K, India on March 26, 2016.

Delivered an Invited Talk on "Data Analytics and Mining - An Application to Open Source Intelligence" at the Center of Excellence in Information Assurance, King Saud University, Riyadh, KSA on January 5, 2016.

Attended the meeting of the Coordinators of Global Initiative of Academic Network (GIAN) Scheme of the Ministry of HRD, Govt. of India, organized at IIT Kharagpur Extension Centre, Kolkata on Nov. 14, 2015.

Delivered a Keynote Speech on "Imperatives of Big Data: Evolutions, Applications, and Emerging Trends" at the National Seminar on Big Data: Issues and Challenges organized by Gitarattan International Business School (giBS), GGSIP University, Rohini, Delhi on October 16, 2015.

Attended the meeting cum workshop of the Coordinators of GlobaI lnitiative of Academic Network (GIAN) Scheme of the Ministry of HRD, Govt. of India, organized at IIT Kharagpur Extension Centre, Kolkata on July 11, 2015.

Organized a Techno-Cultural Fest entitled "Teknothon-2K15" at the Department of Computer Science, Jamia Millia Islamia, New Delhi, India during March 27-28, 2015.

Chaired a technical session at the 9th INDIACom, organized by Bharati Vidyapeeth Institute of Computer Applications and Management (BVICAM), New Delhi, India during March 11-13, 2015.

Delivered an Invited Talk on "Mining Omics Graphs: A Big Data Analytics Perspective" at the 6th DBT-BIF Workshop on Advances in Computational Biology and Bioinformatics (ACBB) organized by the the Department of Computer Science, Jamia Millia Islamia, New Delhi, India during February 27-28, 2015.

Organized the 6th DBT-BIF Workshop on Advances in Computational Biology and Bioinformatics (ACBB) at the Department of Computer Science, Jamia Millia Islamia, New Delhi, India during February 27-28, 2015.

Attended the 26th BTISnet meeting organized by the DBT, Ministry of Science and Technology, Govt. of India  at Sri Venkateswara University, Tirupati during February 3-4, 2015.

Delivered a Expert Talk on "Social Network Analysis and Mining – A Big Data Application" at the International Conference on Exploring Trends and Practices in Information Technology and Management (ICETPITM) organized by the Departments of Computer Science and Management, St. Aloysius’ College, Jabalpur, MP, India during January 5-6, 2015.

Chaired a technical session at the 2nd International Symposium on Computational and Business Intelligence, New Delhi, India during December 7-8, 2014. 

Attended the INNS-India Executive Committee meeting held during the 2nd International Symposium on Computational and Business Intelligence, New Delhi, India on December 8, 2014. 

Delivered an Invited Talk on "Data Analysis and Mining: Recent Advancements and Challenges" at the national conference on Recent Innovations & Advancements in Information Technology (RIAIT) organized by the Department of Information Technology, Baba Ghulam Shah Badshah University, Rajouri, J&K, India during November 26-27, 2014.

Delivered an Invited Talk on "Mining Complex Graphs and Networks: A social network analysis perspective" at the Department of Computer Science, South Asian University, New Delhi, India on August 28, 2014.

Presented a research paper entitled "Spammer Classification using Ensemble Methods over Structural Social Network Features" and chaired a technical session at the IEEE/WIC/ACM Web Intelligence Congress, Warsaw, Poland, August 11-14, 2014.

Delivered an Invited Talk on "Big Data Analytics: Challenges & Emerging Trends" at a Faculty Development Programme on "Capacity Building to Enhance the Research Output" organized & conducted by Bharati Vidyapeeth’s Institute of Computer Applications and Management, New Delhi-63 during July 21-25, 2014.

Delivered an Invited Talk on "From Data Mining to Data Science - A Big Data Analytics Perspective" at the 1st Scientific Conference organized by the University of Human Development, Sulaimaniyah, Kurdistan Region of Iraq on April 2, 2014.

Participated as a Guest of Honor in the first Scientific Conference organized by the University of Human Development, Sulaimaniyah, Kurdistan Region of Iraq during April 1-2, 2014.

Chaired a technical session at the 8th INDIACom, organized by Bharati Vidyapeeth Institute of Computer Applications and Management (BVICAM), New Delhi, India during March 5-7, 2014.

Conducted one day Faculty Development Programme (FDP) on "Data Mining and Social Media Analytics - Emerging Trends and Challenges" at Bharati Vidyapeeth's Institute of Computer Applications and Management, A-4, Paschim Vihar, New Delhi – 63, India, December 21, 2013.

Chaired a technical session on "Data Mining and Applications" at the 1st International Symposium on Computational and Business Intelligence, New Delhi, India during August 24-26, 2013. 

Delivered two lectures at the Faculty Development Program on "Data Mining and Semantic Web"  organized by Delhi Institute of Advanced Studies, Delhi, India, June 14-15, 2013.

Chaired a session on "Web Mining & Farming" at IEEE/WIC/ACM International Conference on Web Intelligence, Macau (SAR of China), December 4-7, 2012.

Delivered a seminar lecture on “Social Network Analysis – an intelligence perspective” at the Center of Excellence in Information Assurance, King Saud University, Saudi Arabia on December 12, 2011.

Delivered a talk on “SNAnalyst: A Data Mining Framework for Social Network Analysis” at the International Workshop on Advances in Information Assurance Research, Center of Excellence in Information Assurance, King Saud University, Saudi Arabia , May 15-16 2011.

Delivered a talk on “Towards a Knowledge-Based Web Surveillance Framework” at Rensselaer Polytechnic Institute (RPI), Troy, New York, USA on April 15, 2011.