The IT City in Mohali aims to promote the growth of:

Information technology and BPO (Business Process Outsourcing) sectors
Textile industries
Heavy engineering
Pharmaceutical manufacturing

The correct answer is: a) Information technology and BPO (Business Process Outsourcing) sectors.

The IT City in Mohali is a special economic zone (SEZ) that was established in 2003. It is located in the Mohali district of Punjab, India. The IT City aims to promote the growth of the information technology and BPO sectors. It has a number of facilities that are designed to attract IT companies, including a state-of-the-art infrastructure, a skilled workforce, and a favorable tax regime.

The IT City has been successful in attracting a number of IT companies, including TCS, Infosys, and Wipro. It has also created a number of jobs in the IT sector. The IT City is expected to play a major role in the economic development of Punjab.

The other options are incorrect because they do not represent the focus of the IT City. Option b) is incorrect because the IT City does not aim to promote the growth of the textile industries. Option c) is incorrect because the IT City does not aim to promote the growth of heavy engineering. Option d) is incorrect because the IT City does not aim to promote the growth of pharmaceutical manufacturing.