chennai stating that demonetisation could turn out to be a brahmastra a weapon of destruction against the economy retired bureaucrat mg devasahayam said the governments decision was like forcing people with reasonably healthy kidneys to undergo dialysis it is like 86 of the blood currency is taken out of circulation and we dont know what is going to happen next it seems more like expropriation rather than demonetisation where people are running around to access their own money he said speaking at a symposium on demonetisation a trishul trident against tax evasion corruption and black economy organised by the centenarian trust on friday corruption is a continuous process and not a onetime activity to be put down by a onetime measure he saidhowever n vittal former central vigilance commissioner maintained that demonetisation was indeed a trishul against issues like corruption and black money however he added it has to be supplemented by other measures people making noise about demonetisation are indirectly supporting corruption and tax evasion he addedpresiding over the symposium g viswanathan founder chancellor of vit university said it was unfortunate that the attitude to evade tax has become a regular practice even among common people demonetisation is a good beginning but follow up action must be undertaken like abolishing benami property money in real estate and cash stashed outside the country he said