new delhi july 4 india needs to almost double its annual spending on infrastructure at usd 200 billion and the real challenge lies in harnessing private investment said the economic survey 201819 tabled in parliament on thursday to achieve the target of usd 10 trillion economy size by 2032 a robust and resilient infrastructure system is required supported by adequate private investments as the country has only been able to put usd 100 to 110 billion annually into infrastructure development this huge investment gaps of about usd 90 billion in the space needs funding through innovative approaches the key document said underlining the strong relations between the economy and infra as the correlation of investments in inland road rail and airport infrastructure to gdp are higher than 090 given the fiscal constraints that leave less room for expanding public investment at the scale required there is an urgent need to accelerate the flow of private capital into infrastructure the survey document said india needs to spend 78 per cent of its gdp on infrastructure annually which translates into annual infrastructure investment of usd 200 billion currently however india has been able to spend only about usd 100110 billion annually on infrastructure leaving a deficit of around usd 90 billion per annum it said with the aim of boosting investment in infrastructure the national investment and infrastructure fund has been created with a capital of approximately rs 400 billion to provide investment opportunities to commercially viable projects it said adding that a credit enhancement fund for projects for increasing the credit rating of bonds floated by infra companies is going to be launched in the country a new credit rating system for infrastructure projects based on expected loss approach has also been launched besides measures like infrastructure investment trusts and real estate investment trusts have been formulated to pool investment in infrastructure also stressing the need for creating next generation infra it said physical infrastructure attained a rapid pace with more than 20 per cent of the existing highway length of 132000 km being constructed in the last four years creation of additional 40 lakh seating capacity under udaan and expansion of key bridges in order to create a usd 10 trillion economy by 2032 india needs a robust and resilient infrastructure public investment cannot fund the entire infrastructure investment requirements of the country the survey said private players are usually eager to bring their capital only into developed indian states and therefore the real challenge lies in bringing adequate private investment across the country with the collaboration of public sector it said sustainable development goal sdg number 9 aims to develop quality reliable sustainable and resilient infrastructure including regional and transborder infrastructure to support economic development and human wellbeing with a focus on affordable and equitable access for all it said about highways sector it said major constraints faced are availability of funds for financing large projects lengthy processes in land acquisition and payment of compensation environmental concerns time