Concept:
Important locations related to dams, power plants, technology centers, and transport facilities are often marked on maps to test geographical knowledge. These places play an important role in India's infrastructure and economic development.
Step 1: Identify the dam on the Sutlej River.
The major dam constructed on the Sutlej River is the Bhakra Nangal Dam, located in Himachal Pradesh.
\[
Bhakra Nangal Dam
\]
Step 2: Identify the nuclear power plant in Gujarat.
The well-known nuclear power plant in Gujarat is located at Kakrapar.
\[
Kakrapar (Gujarat)
\]
Step 3: Identify the software technology park in Uttar Pradesh.
A major Software Technology Park in Uttar Pradesh is located at Noida.
\[
Noida (Uttar Pradesh)
\]
Step 4: Identify the international airport in Maharashtra.
The important international airport in Maharashtra commonly marked on maps is located in Mumbai.
\[
Mumbai (Maharashtra)
\]