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Aman Chadha

3 papers indexed

arxivcs.CLcs.AIcs.CV2026-07-23

Khondo: A Multimodal Benchmark for Document Packet Splitting of Bangla Forms

Abu Tyeb Azad, Fahim Ahmed, Ishita Sur Apan, Ezharuddin Jubaer, Sumaiya Karim Katha, Armun Alam, et al.

Document packets, multiple documents concatenated into a single file, are common in government and administrative workflows, yet splitting them into their constituent documents is difficult, especially for low-resource languages. We introduce Khondo (Bangla for split/segment), th…

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arxivcs.CLcs.AIcs.CV2026-07-06

BaFCo: A Document Understanding Benchmark for Complex Bangla Form Comprehension

Abu Tyeb Azad, Ishita Sur Apan, Fahim Ahmed, Sumaiya Karim Katha, Ezharuddin Jubaer, Armun Alam, et al.

Document comprehension is a challenging yet impactful task for Multimodal Large Language Models, especially as these systems see growing adoption in real-world, human-centric applications. However, this adoption is limited for low-resource languages such as Bangla due to the scar…

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arxivcs.LGcs.AIstat.ML2026-06-29

Pessimism's Paradox: Conservative Offline Training Amplifies Reward Hacking During Online Adaptation in Reasoning Models

Subramanyam Sahoo, Aman Chadha, Vinija Jain, Divya Chaudhary

Conservative offline training is widely advocated as a safe foundation for subsequent online adaptation: if a policy stays close to well-supported behaviour, the argument goes, it is less likely to exploit imperfections in a learned reward model. We challenge this intuition empir…

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