India is among 75 countries with which Switzerland's Federal Tax Administration has exchanged information on financial accounts within the framework of global standards on Automatic Exchange of Information.
This time, Finance Minister P Chidambaram, who attended the first such retreat in 2008, would be present.
The three leading think-tanks-- NCAER, NIFM and NIPFP-- conducting a joint study on the quantum of blackmoney, are likely to submit the report to government by December 2012, Parliament was informed on Thursday.
The studies found that sectors with the highest unaccounted income included real estate, mining, pharmaceuticals, pan masala, gutkka and tobacco, bullion and commodity markets, film industry, educational institutes and professionals.
Replying to a query, whether the government has made any assessment of black money stashed by Indians in foreign countries, Jaitley said there is no official estimation of that.
India has joined global efforts to combat global tax evasion.
Citing national security and confidentiality clauses, the Finance Ministry has declined to disclose information on exchange of correspondence among India, Swiss and German authorities in connection with the black money probe.
The government is going all out to spread awareness about the new indirect tax regime, and training lawmakers is being seen as a necessary first step.
'Tax dodging through tax havens is one of the ways multinational corporations and the super-rich in India are using to evade taxes.'