By fiscal year 2023, India will be looking at a whopping investment requirement of Rs 38.6 trillion in the infrastructure sector. Over a period of time, the government spending has completely overshadowed private sector investment which was 37 per cent in 2008, and a gradual downward curve between 2013 and 2017 was witnessed.

The infrastructure sector is highly responsible for propelling India's overall development. With intense focus, the government has initiated policies to ensure time-bound creation of world-class infrastructure in the country.

In June 2015, Prime Minister Narendra Modi announced his bold Smart Cities Mission, an investment of Rs 980 billion to develop 100 cities across the country into intelligent, sustainable and resident-friendly communities.

In order to consolidate and accommodate this mass migration, the Government of India has undertaken several initiatives which have given a way to the mega projects, nucleated around the development of industrial clusters, connectivity and increasing India's exports.

The Government of India has announced the development of industrial corridor projects so as to contain the urbanisation challenge and majorly give a strong boost to the country's manufacturing and industrial potential.

It is a well-known and widely accepted datum that infrastructure is the backbone of a sound and growing economy. Amongst all infrastructure, the transport sector facilitates trade and migration, thereby raising productivity in other parts of the economy and directly contributing to the economic growth.

The highway sector has been the ignitor of PPP framework in India. The sector has received a significant support from the government and NHAI has played its role well through constant innovation.

With an estimated average spend of upwards of Rs 1 trillion per annum (excluding land cost), the order book additions will remain healthy for both, large and mid-sized road contractors over the next four to five years.

Is the Indian Railways chugging towards a gargantuan bailout? Startling as it may sound, the question is within the realms of plausibility given the lumbering behemoth's financials.