Hello aspirant,
Based on NATA exam the fee may vary.
The total  fee is between 8 to 10 lakhs(approximately).
NATA is a national level exam conducted by Council of Architecture (COA) every year.
The exam held in 2 stages:
Stage I (Maths and General Aptitude  Online)
Stage II (Drawing  Offline). This year, NATA 2019 for stage I is scheduled for April 1, 2019 in online mode and July 07, 2019 for stage II.
The entrance examinations for the RVCA are:

• NATA
• JEE paper 2

Based on these examinations you can get into RVCA.
If you have any queries please drop a comment.
Thank you!!!