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The development of Economic Corridors, Inter Corridors and Feeder Routes, National Corridor Efficiency Improvement, Border and International Connectivity Roads, Coastal and Port Connectivity Roads, and Green-Field Expressways are just a few of the effective interventions that the Bharatmala Pariyojana, a new umbrella programme for the highways sector, uses to close critical infrastructure gaps. Hence statement 2 & 3 is correct.
Nothing has been said about replacement of level crossing on national highways by road over bridges/road under bridges. Hence statement 1 is incorrect.
It aims at the improvement in the efficiency of national corridors. Hence statement 4 is correct.
The main goal of Bharatmala is to link outlying regions and the satellite cities of megacities like Bangalore, Pune, Hyderabad, etc.
Under the Setu Bharatam project, the Indian government aims to replace all level crossings on National Highways with vehicle overbridges or underbridges by the end of 2020.

The launch of the scheme has been done for bring a new wave of development in the nation in the form of well-maintained and developed roads. Under this project, the construction of roads, in all parts of the nation will be undertaken.
As per the draft of the scheme, government and the ministry will strive to complete new roads, which will add up to a whopping 34, 800 kms.
The Bharatmala is the name that is given to the road development and it will include many other related schemes as well. With the completion of all the schemes, the overall success of the scheme will be guaranteed.
It aims at the improvement in the efficiency of national corridors.
It has been highlighted in the official draft of the scheme that to provide better connectivity, the construction of various categories of roads will be undertaken.
One source will not be enough for funding a mammoth project. Thus, the government will have to depend on other sources for generating adequate money to meet the expenses.

Correct Answer