Famous Physics and Astronomy event of Pravega

IISc's Premier Physics and Astronomy Event

Decoherence is the famous Physics and Astronomy event of Pravega. The event is conducted in two rounds- Prelims and Mains.
The Prelims is held online, and is known to attract some of the best physics students from all over the world with its fun and demanding questions that make you think. The teams that qualify for Mains are brought to the IISc campus where more quizzes and interactive experiments ensue.

Students from grade 11th and 12th as well as 1st year undergraduates can apply. Expect fresh and exciting physics, astronomy, stellar competition, and an opportunity to learn something while having fun. The winners are rewarded with merchandise, trophies and (big) cash prizes.


Presently in 11th or 12th as of May 2023 or must be in 1st year of college/ university as of January 2023. People who have completed their 12th and have not taken admission in a college/university are allowed to participate. Participation upto 2022 batch is allowed, i.e., the peers of our junior batch are allowed to give the exam.


Subjective Prelims is over. Results are yet to be declared. Mains date will be declared in due time.


Click on the below link for detailed rules or check the paragraph above in description.

Rules and Eligibility criteria.

Question Paper

Click on the below link for 2023 Decoherence Prelims paper.

Question Paper


The event will have Prizes of up to 50K. Keep checking the website for more updates!

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