Machine Unlearning

Government of India (SERB) sponsored initiative (₹30.5 Lakh) investigating algorithmic data removal and privacy compliance in deep learning models without performance degradation. Successfully completed on January 1, 2026.

Science and Engineering Research Board (SERB)

Statutory Body Established Through an Act of Parliament: SERB Act 2008 • Department of Science & Technology (DST), Government of India

Project Completed File No: SRG/2023/001686 ₹30,50,300 (100% Released) 02-Jan-2024 – 01-Jan-2026 Trustworthy AI
Total Budget
₹30,50,300 INR
₹30,50,300 Released (100% Utilized)
Duration & Status
24 Months
02-Jan-2024 – 01-Jan-2026 (Completed)
Principal Investigator
Dr. Murari Mandal
Associate Professor, KIIT
Host Institution
KIIT University
Bhubaneswar, Odisha, India

Regulatory Motivation & Problem Statement

In contemporary deep learning systems, neural networks memorize intricate patterns directly from training distributions. However, emergent regulatory frameworks—including the European Union's General Data Protection Regulation (GDPR Article 17: "Right to be Forgotten"), the California Consumer Privacy Act (CCPA), and India's Digital Personal Data Protection (DPDP) Act 2023—legally mandate that individuals can revoke consent and demand complete removal of their personal data footprints from trained predictive models.

The standard naive solution—retraining massive models from scratch while excluding the targeted data shards—is computationally prohibitive, financially unsustainable, and environmentally costly when scaling across billions of parameters. This research project, funded under the prestigious SERB Startup Research Grant (SRG), investigated principled algorithmic frameworks to achieve exact and approximate machine unlearning. The objective was to surgically excise specific data influence from deep neural representations rapidly, while strictly preserving task utility and preventing catastrophic forgetting on retained distributions.

Core Research Objectives

The project established both theoretical bounds and scalable empirical algorithms for efficient data erasure across dense deep learning architectures:

Targeted Parameter Scrubbing

Designing efficient first- and second-order weight adjustment algorithms that nullify the influence of requested samples without full model retraining.

Catastrophic Forgetting Prevention

Formulating regularized feature constraints to guarantee that the decision boundaries of retained classes maintain high fidelity and zero-shot generalization.

Empirical Auditing & Verification

Developing mathematical auditing protocols based on Membership Inference Attacks (MIA) to empirically guarantee that deleted data cannot be reconstructed.

Architecture Scalability

Validating algorithmic efficiency across modern backbones including ResNets, Vision Transformers (ViTs), and multi-modal representation pipelines.

Phased Milestones & Project Execution

With the full sanction and 100% disbursement of ₹30,50,300 INR, all project objectives and milestones were successfully executed and concluded on January 1, 2026:

Phase 1 • Completed

Theoretical Framing & Baseline Verification (Jan 2024 – Jun 2024)

Mathematical formalization of unlearning criteria; deployment of standard computer vision benchmark datasets; establishment of baseline Membership Inference auditing pipelines.

Phase 2 • Completed

Algorithm Development & Parameter Scrubbing (Jul 2024 – Jun 2025)

Implementation of selective gradient inversion and localized Hessian approximations; extensive ablation on memory footprints and compute runtime reductions compared to standard retraining.

Phase 3 • Completed

Large-Scale Validation, Auditing Suite & Dissemination (Jul 2025 – Jan 2026)

Benchmarking across vision-language architectures; development of empirical unlearning verification methodologies; publication dissemination and final SERB grant report submission.

Research Personnel & Laboratory

This project was conducted under the Responsible and Trustworthy Artificial Intelligence Lab at the School of Computer Applications, KIIT Deemed to be University:

Dr. Murari Mandal

Principal Investigator
Associate Professor, KIIT Deemed to be University

Umakanta Maharana

Project Researcher
Responsible AI, Vision & Deep Learning

Foundational Literature & References

Key theoretical foundations and seminal literature informing the algorithmic development of this project:

Towards Efficient Machine Unlearning
arXiv:2201.05629 • Machine Learning (cs.LG) • Artificial Intelligence
Unlearning: A Key to the Selective Forgetting of Data in Deep Learning Models
arXiv:2210.08196 • Trustworthy AI • Privacy-Preserving Neural Networks

Academic Collaborations & Inquiries

We welcome inquiries from academic researchers, students, and industry partners interested in machine unlearning, data privacy, and trustworthy AI.

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