Introduction:
Software Technology Parks (STPs) have played a significant role in promoting the growth of the IT industry in India. These parks provide infrastructure and facilities to IT and software companies, enabling them to set up their operations and contribute to the country's economic development. By 2010-11, several STPs had been established across India, contributing to the growth and success of the IT sector.

Number of Software Technology Parks:
By 2010-11, a total of 46 locations had been set up as Software Technology Parks in India. These parks were strategically located across the country to cater to the growing demand for IT infrastructure and services.

Role of Software Technology Parks:
Software Technology Parks provide a conducive environment for IT and software companies to operate and thrive. Some key roles played by these parks include:

1. Infrastructure: STPs offer state-of-the-art infrastructure, including office spaces, data centers, high-speed internet connectivity, and uninterrupted power supply. This enables companies to establish their operations without worrying about basic infrastructure requirements.

2. Tax Benefits: STPs are eligible for various tax benefits and incentives provided by the government. These benefits include income tax exemptions, customs duty waivers on imported equipment, and service tax exemptions. Such incentives attract companies to set up their offices in these parks, promoting investment and job creation.

3. Employment Generation: Software Technology Parks generate significant employment opportunities. They provide a platform for skilled professionals to work in the IT sector, contributing to the growth of the industry and the overall economy.

4. Foreign Investment: STPs attract foreign direct investment (FDI) by offering a favorable business environment. The presence of multinational companies in these parks boosts India's image as a preferred destination for IT and software services, attracting more foreign investment.

5. Research and Development: Many STPs have research and development (R&D) facilities that promote innovation and technological advancements. These facilities encourage collaboration between industry and academia, fostering the development of cutting-edge technologies.

Conclusion:
By 2010-11, a total of 46 Software Technology Parks had been set up at various locations in India. These parks have played a crucial role in the growth of the IT industry, providing infrastructure, tax benefits, employment opportunities, and promoting research and development. The establishment of these parks has contributed significantly to India's position as a global IT hub.