When Iran can courageously convict an Israeli spy to death, then why are we reluctant to hang Indian spy Kalbhoshan?

https://www.tasnimnews.com/en/news/2017/10/24/1555275/iran-gives-death-sentence-to-mossad-agent-prosecutor-says

https://twitter.com/ZaidZamanHamid/status/922877773894635520