As per latest advisory from cert india, users have been receiving sms with links to apps that allow them to download COVID registration apps.
Below is a list of apks that have been shared:
Protect yourself from potential malicious apps
Hackers often trick you into installing malicious apps from third-party app stores or in the form of apk files. Use Apps from other sources feature on InfoSecyour Mobile Security & Online privacy app to detect such apps on your mobile