The biggest hassle we faced, which wasn't that big really, was going to the bank, with our passports and the death certificate, and asking to have the money transferred to my mom's account. His current bank was even able to contact other banks and we found that he had a couple of old accounts in other banks that we didn't know about. They gave us documents to go there and get the remaining balanced moved.
Getting his online accounts sorted, however, was a different matter. Please leave some kind of "in case I'm dead" envelope for your next of kin with passwords and a description of your digital footprint. It was incredibly frustrating trying to get access to his photo albums and documents on G Drive, for example. I managed to dig out a password at the end, but it took me weeks of trying all sorts of things.
I'm saying that because in Sweden you IMMEDIATELY find out that "you're dead", you won't have e.g. the problem where your property was actually transferred to "your widow", as was mentioned in the article, before you even know that a process has started.
It's like an alarm. Sure, it won't prevent all burglaries, but (assuming the alarm works, in this analogy, and calls you) you'll find out immediately that someone is in the process of screwing you.
So yes, actually. I think a major enabler for this problem is the fact that in India you DON'T know if you got declared dead. Which really helps the ability to create this kind of fraud.
All your bank accounts and other things are quickly closed. And since Sweden has a war on cash, and is a highly digital society, you will definitely notice. You may not even be able to get a library card, if your ID number is declared "invalid".
It's apparently very rare. But have enough people, and eventually someone will make a mistake and declare the wrong person dead.