One other indicator that they are considering India is that the Greek civil aviation authority had published (back in February) a call for airlines to apply for getting traffic rights between Greece and India. The text in Greek is here
https://hcaa.gov.gr/el/newsroom/anno...esi-taktikon-0 and you can also check the
frequency table (unlimited between Greek airports and 6 Indian airports for carries based in EU).
based on previous cases, I think these calls are either due to a change in the ASA or upon request of some airline to start a route