The deceased were identified as Suvo Saha, 22, son of Nanda Lal and Subash Saha, 20, son of Akash Saha.
Officer-in-Charge of Ataikula Police Station Nasirul Alam said the duo fell sick after drinking excessive liquor at a birthday party on Thursday night.
Later, they died on the way to hospital around 3 am, OC said.
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Suvo was a student of Pabna Polytechnic College and Subash was studying at Stamford University of Dhaka.