India, Dec. 3 -- Premier US space agency Nasa announced on Monday it had found the Chandrayaan-2 moon lander Vikram not far from where it was supposed to land in September, based on a tip from an Indian engineer and blogger. The techie said he had separately launched his own search as a "challenge" as even Nasa had seemed clueless at the time.

"It was something challenging as even Nasa can't find out so why can't we try out?" he said in an email in response to a request for comments.

"And, that's the thought that led me to search for the Vikram lander. I don't think Vikram lander would have made such an impact on the minds of the Indian public if it had landed successfully. Since, it was lost, there was a lot of discussion in public for...