D) thiruvananthpuram
vikram sarabhai space centre(VSSC), thiruvananthpuram is the lead centre of ISRO responsible for the design and development of launch vichle technology. the centre persues active research and devlopment in the field of aeronautics, materials, space ordenance, mechanism, vichle integration, etc.

Location of Vikram Sarabhai Space Centre
The Vikram Sarabhai Space Centre is located in Thiruvananthapuram, Kerala, India. It is one of the main centers of the Indian Space Research Organisation (ISRO) and is named after Dr. Vikram Sarabhai, who is considered the father of the Indian space program.

Significance of Thiruvananthapuram
Thiruvananthapuram, also known as Trivandrum, is the capital city of Kerala and is well-connected by air, rail, and road networks. The city has a conducive environment for scientific research and development, making it an ideal location for the Vikram Sarabhai Space Centre.

History of Vikram Sarabhai Space Centre
The Vikram Sarabhai Space Centre was established in 1963 and has since been at the forefront of India's space exploration efforts. It is involved in the design and development of launch vehicles, satellite payloads, and sounding rockets.

Research and Development Activities
The center is engaged in various research and development activities related to space technology, including satellite launches, mission planning, and satellite communication. It has played a crucial role in numerous successful space missions conducted by ISRO.

Collaborations and Partnerships
The Vikram Sarabhai Space Centre collaborates with national and international organizations to further space research and exploration. It has established partnerships with academic institutions, research centers, and space agencies around the world.
In conclusion, the Vikram Sarabhai Space Centre's strategic location in Thiruvananthapuram, along with its rich history, research capabilities, and collaborations, makes it a vital hub for India's space exploration endeavors.