India, July 3 -- The Delhi government has asked the National Institute of Public Finance and Policy (NIPFP), a public policy think tank, to review its tax administration and revenue system to identify tax leakages, strengthen compliance, and develop a roadmap to boost revenue collection, an official said on Friday.

According to the official, the move has been prompted by Delhi's relatively low Tax-GSDP (Gross State Domestic Product) ratio, which has remained below 5% and lags several states and union territories.

"Delhi's Tax-GSDP ratio has been less than 5%. States such as Uttar Pradesh and Andhra Pradesh have recorded higher Tax-GSDP ratios," an official said.

The study will cover state GST/VAT, excise, motor vehicle tax, stamp duty ...