Elephants have a very tight social network and the baby has been adopted by three other elephants already (they were taking care of her even before her mom died). They expect two more elephant babies within the next 4 months so then there will be other little elephants to play with. I guess Marlar is taken care of.
This morning I read in the condolence book that one woman was on vacation in Thailand and had just read the news and she wrote was crying while typing...

I know that in the djungle book elephants can talk to Mowgli but even setting up a condolence book for an elephant is weird...