Pradhan Mantri Bharat Jodo Yojana is a government initiative that focuses on the development of highways in India. It aims to enhance connectivity and improve the overall infrastructure of the country. The correct answer is option 'C' - Highways.

Here is a detailed explanation of the Pradhan Mantri Bharat Jodo Yojana:

Introduction:
The Pradhan Mantri Bharat Jodo Yojana, also known as PMBJY, was launched by the Government of India in 2021. It is a flagship program under the Ministry of Road Transport and Highways. The primary objective of this scheme is to promote social integration and economic development by improving road connectivity across the country.

Focus on Highways:
The PMBJY primarily focuses on the development of highways in India. It aims to create a robust road network that connects various regions, states, and cities. By enhancing road connectivity, the government aims to boost economic growth, facilitate trade and commerce, and improve access to essential services in remote areas.

Key Objectives:
The key objectives of the Pradhan Mantri Bharat Jodo Yojana are as follows:

1. Enhancing connectivity: The scheme aims to connect rural areas with urban centers and improve connectivity between various regions of the country. This will facilitate the movement of people, goods, and services, leading to overall development.

2. Reducing travel time: By constructing new highways and upgrading existing ones, the government aims to reduce travel time between different cities and towns. This will not only save time for individuals but also reduce transportation costs and enhance efficiency.

3. Promoting economic growth: Improved road connectivity will promote economic growth by facilitating trade, commerce, and investment. It will open up new opportunities for businesses, create job opportunities, and boost income levels.

4. Enhancing safety: The PMBJY also focuses on improving road safety measures. This includes the construction of safer roads, installation of traffic signs and signals, and the implementation of measures to reduce accidents and fatalities.

Implementation:
The implementation of the Pradhan Mantri Bharat Jodo Yojana involves various steps, including:

1. Identification of highways: The government identifies key highways and road corridors that need development or improvement based on strategic importance, economic significance, and connectivity requirements.

2. Funding: The scheme is funded through a combination of government allocations, loans, and public-private partnerships. The government provides financial support for the construction and upgradation of highways.

3. Construction and upgradation: Once the highways are identified, the construction and upgradation work is carried out by the concerned authorities. This includes widening of roads, construction of new highways, bridges, flyovers, and other necessary infrastructure.

4. Monitoring and evaluation: The progress of the PMBJY is monitored regularly to ensure timely completion of projects and adherence to quality standards. Evaluation is done to measure the impact of the scheme and identify areas for improvement.

Conclusion:
The Pradhan Mantri Bharat Jodo Yojana is a significant initiative by the government to enhance road connectivity and promote social integration in India. By focusing on the development of highways, the scheme aims to improve accessibility, reduce travel time, and boost economic growth. Through the implementation of this scheme, the government is working towards building a strong and well-connected road network across the country.