Ravi Shankar Prasad said there was no serious impact in India and the NIC is working fine
ransomware crippled Britain's hospital network and computer systems in several countries
Security experts warn there is no guarantee that access will be granted after payment
New versions of worm were expected, and extent of damage from Friday's attack was still unclear
In England, 48 National Health Service trusts fell victim, as did 13 NHS bodies in Scotland
The CERT-In has suggested some anti-ransonware measures
Ransomware attack has affected over a dozen countries
Govt & private cybersecurity experts were pressed into service to decrypt the affected systems