Do I need to pay any money to register for the Hackathon? No. You do not have to pay anything to anyone to register yourself for any Hackathon on HackerEarth.
Do I need to have any specific qualifications to be a participant for the Hackathon? Whether you just love solving problems, already have a great idea, or you simply love to code, you are more than welcome to participate in the Aging Better with ICTs Hackathon.
Does one have to be online and available for the entire duration of the Hackathon? No, one does not need to be logged in on HackerEarth or be online for the entire duration. You can develop the idea and proof of concept on your local system based on the given themes and then submit it on HackerEarth, on the specific challenge page.
Since there is no specific technology mentioned, are there any restrictions on using number of pre-built libraries? There is no restriction to use any language, technology stack, or libraries. You can use any of them to create the proof of concept for your web/mobile application.
Do I need to give a demo for the product that I have built? You will submit a small presentation video that demos your submission for proof of concept.
A fully developed application need to have a solid backend for data storage like SQL, SharePoint etc. since its online, is it accepted to show only the prototype of it? The minimum submission is proof of concept, but you are welcome to submit a full prototype. If you use any database like MySQL or PostgresSQL you can also submit a database dump along with your submission. However you are allowed to submit just the prototype.
If it is a team submission, does that mean all team members will have access to work at the same time? Yes, all team members can login from their account and do application submission on HackerEarth.
Who will own the IP(Intellectual Property) Rights to the product that I have built? The developer/developers of the web/mobile application will have all rights and own the IP of the product. However, all code needs to be in public domain (open source) so that it can be evaluated by the judges.