The following posts establish this fact of censorship by Google:
Google web censorship has greatly increased
Why Google is messing up with search placements
Why Google is putting posts in blackhole?
The following posts record the censorship and manipulation of SERPs, news and blogs posts by Google:
Why Aadhar project and UIDAI are dangerous
The dangers of Aadhar project and UIDAI
Google is censoring Aadhar project UIDAI related results
The evil intentions of Aadhar project and UIDAI
Why Google’s news items are disappearing from its news database?