The document discusses various concepts related to taxation in India. It defines key terms like previous year, assessment year, co-operative society, circular, notification, amendment, and official gazette. It also provides data on direct and indirect tax collections from 2009-2010 to 2015-2016. Finally, it explains the nature of different taxes like income tax, wealth tax, service tax, excise duty, customs duty and sales tax (VAT) and who bears the burden of direct and indirect taxes.