Rocktim Jyoti Das

I am a first year Computer Science PhD student at University of Maryland, College Park working with Prof. Dinesh Manocha . My research focuses on developing physically grounded algorithms for robotic navigation and manipulation, with an emphasis on high-fidelity simulation and the estimation of material and mechanical properties.

Prior to joining my PhD, I was a Research Associate II at MBZUAI in Abu Dhabi working on Robotic Manipulation and Reasoning under the supervison of Prof. Ivan Laptev and Prof. Preslav Nakov. I worked on developing intelligent agents that reason, plan and interact with the environment to solve complex tasks using the world knowledge acquired using internet scale data.

I completed my undergraduate studies at the Indian Institute of Technology, Delhi, which set the foundation for my academic journey. I had the incredible opportunity to spend a year at the DAIR Lab, IIT Delhi as a Research Assistant under the supervision of Prof. Mausam. As a researcher at DAIR lab, I focused on Task-Oriented Dialog Systems and Conversation based Medical Diagnosis.

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News

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Selected Research

* denotes joint first authors

FLIP-diag SLAT-Phys: Fast Material Property Field Prediction from Structured 3D Latents
Rocktim Jyoti Das, Dinesh Manocha,
ArXiv, 2026
🌐 Website   📄 arXiv
FLIP-diag BLAZER: Bootstrapping LLM-based Manipulation Agents with Zero-Shot Data Generation
Rocktim Jyoti Das*, Harsh Singh*, Diana Turmakhan, Mohammad Abdullah Sohail, Mingfei Han, Preslav Nakov, Fabio Pizzati, Ivan Laptev,
ArXiv, 2025
🌐 Website   📄 arXiv
FLIP-diag MALMM: Multi-Agent Large Language Models for Zero-Shot Robotics Manipulation
Harsh Singh*, Rocktim Jyoti Das*, Mingfei Han, Preslav Nakov, Ivan Laptev,
accepted to IROS, 2025
🌐 Website   📄 arXiv
FLIP-diag Synergizing In-context Learning with Hints for End-to-end Task-oriented Dialog Systems
Vishal Vivek Saley, Rocktim Jyoti Das, Dinesh Raghu, Mausam,
accepted in EMNLP main, 2024
  📄 arXiv
FLIP-diag Beyond Size: How Gradients Shape Pruning Decisions in Large Language Models
Rocktim Jyoti Das Mingjie Sun, Liqun Ma, Zhiqiang Shen,
Arxiv, 2023
📄 arXiv
FLIP-diag EXAMS-V: A Multi-Discipline Multilingual Multimodal Exam Benchmark for Evaluating Vision Language Models
Rocktim Jyoti Das, Simeon Emilov Hristov, Haonan Li, Dimitar Dimitrov, Ivan Koychev, Preslav Nakov,
accepted in ACL main, 2024
🌐 Website   📄 arXiv
FLIP-diag Exploring Distributional Shifts in Large Language Models for Code Analysis
Shushan Arakelyan, Rocktim Jyoti Das, Yi Mao, Xiang Ren,
accepted in EMNLP main, 2023
📄 arXiv

Open-Sourced Project

Nanda is the leading open-sourced Hindi bilingual model for generation and reasoning, surpassing current models on safety benchmarks. Although our model is optimized for Devanagari Hindi, it also seamlessly supports Romanized and code-mixed Hindi, making it highly versatile for real-world applications. Check out the paper for more details about training, evaluation!

📄 Paper link

Give our model a try!

Download LLaMA-3-Nanda-10B weights from Hugging Face and see its capabilities in action:

💾 Model weights


Reading Group

I organize the UMD Robotics Reading Group, a weekly meeting (Tuesdays, 5–6 pm) where we read and discuss recent papers on robot learning, manipulation, and humanoid robots. See the schedule for upcoming sessions and slides.



Source code from Jon Barron's website.