Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Economy Infrastructure
The Diamond Quadrilateral project of the Indian Railways aims to connect which of the following cities?
A) Delhi
B) Bengaluru
C) Mumbai
D) Kolkata
Select the correct answer using the code given below.
1
A and C
2
A, C, and D
3
B and D
4
All of the above