paris finance minister pranab mukherjee has said about 500 tax information exchange agreements have been signed between different countries across the globe a development that will help fight the menace of tax evasion and track illgotten moneymukherjee who is spearheading the fight against tax evasion at the g20 grouping also made a case for collective action against those countries that refuse to part with tax and banking information essential for tracking slush fundstill now nearly 500 tax information exchange agreements tiea have been signed all over the world india has signed about 13 tieas the minister said after the conclusion of the twoday meeting of the g20 finance ministers and central bank governors hereunder tieas countries are required to share tax and banking information about individuals and companies at the g20 seoul summit last year the g20 leaders called for all jurisdictions to conclude tieas whenever requested by the other partnerpointing out that different definitions of expressions like tax evasion and tax fraud lead to problems mukherjee said there was a need to harmonise them so that countries can exchange information without any hindrancethe minister further said that india was in the process of revising its double taxation avoidance agreement dtaa with all 78 countries which whom it had signed such agreementsrevision of dtaa with 10 countries have been completed and many more are in the offing he saidrevised dtaa will help in seeking banking information about the offendersthe indian government has been facing flak from the opposition for not being able to bring back black money stashed in tax havens and also naming persons involved in such transactions