Which of the following cities of Uttar Pradesh is/are covered under the "Heritage City Development and Augmentation Yojana (HRIDAY)"?

1. Varanasi
2. Mathura
3. Prayagraj
4. Ayodhya

Select the correct answer from the codes given below.
Codes :

A) 1 only

B) 3 only

C) 1 and 2

D) 1, 2, 3 and 4

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2020 (GS Paper I)