Explanation: The development of subsidiary ports is a strategic approach to manage the increasing maritime traffic and cargo handling demands in a region. In the context of West Bengal, the Haldia port was specifically developed to address the growing pressure on the Kolkata port. The Kolkata port, being one of the oldest and busiest ports in India, faced significant congestion and logistical challenges due to its location and the increasing volume of cargo traffic.
The Haldia port, located on the Haldia river, a distributary of the Hooghly river, was established to serve as a subsidiary port. This location was chosen for several reasons:
1. **Proximity to Kolkata**: Haldia is relatively close to Kolkata, making it a convenient extension of the Kolkata port system.
2. **Deep Water Access**: The Haldia river provides deep water access, which is essential for handling large vessels and bulk cargo.
3. **Cargo Handling**: Haldia port is equipped to handle a variety of cargo, including bulk cargo and containerized cargo, which helps in distributing the cargo handling load from the Kolkata port.
4. **Economic Development**: The development of Haldia port has also contributed to the economic development of the region by creating employment opportunities and facilitating industrial growth.
The establishment of Haldia port has significantly improved the efficiency of the port system in West Bengal. It has reduced congestion at the Kolkata port, allowing for smoother operations and better management of maritime traffic. Additionally, the Haldia port has become an important economic hub in its own right, contributing to the overall development of the region.
In summary, the Haldia port was developed as a subsidiary port to relieve the growing pressure on the Kolkata port, enhancing the maritime infrastructure and economic development of West Bengal. This strategic development underscores the importance of subsidiary ports in managing the increasing demands on major ports and improving the overall efficiency of the port system.