A good reference point would be how many ships PLAN had when they had a similar GDP to ours and how many they were producing in their shipyards.
China gdp around $3.6 trillion (2007) (Budget - $62 billion)
Subs - 6 nuc subs, 38 subs
Destroyers- 13
Frigates - 16
Corvettes - Introduced later after 2010 according to wiki
Amphibious vessels, landing crafts - 53
Mine sweepers - 29
Over 100 gunboats and Missile boats
India gdp - $3.6 trillion 2023 (Budget - $74billion)
Subs- 2 nuc subs, 16 subs
AC - 2
Destroyers - 12
Frigates - 12
Corvettes - 18
Amphibious vessels, landing crafts - 16
OPV - 10
Patrol Vessels - 19
Aux Ship - 4
Inflation would be a factor, China's real figure would be closer to ours.
After 2010 Chinese Navy induction sky rockets.