"In the last few days ... We have passed two important laws which are being discussed worldwide -- GST and bankruptcy law. Both these laws were passed through unanimous decisions," Jaitley said.
Behind this unanimity was "public pressures" and "pressure of public opinion" build through social media and news media, he said, adding the print, electronic and social media played important role in forming opinion.
The minister said helping schemes reach last mile, all mediums should be used. "If there is a way to use social media, then the help of local administration is also important."
Citing the example of the hugely important crop insurance scheme, he said all mediums - local and state administration, radio and social media should be used to help reach the scheme to all farmers.
"Government should not leave any medium and social media is cost effective," he said.
Jaitley said Narendra Modi had set an example of communicating via social media even before he came to Delhi as Prime Minister.
"There was a time when we did public rallies, then came radio, television media and then came social media whose cost is low and impact is more," he said, adding it empowers all and increases accountability.
There is an app, he said, which provides updates on villages that have been electrified under government programme to electricity all villages in the country.
Similarly, the External Affairs Ministry is effectively using the social media to connect with people and help the ones in distress when abroad, he said.