However Mortgage rate over here is 8% to 9.5% currently.If I purchase an apartment for 7,500,000 INR currency.

Even a relatively stable currency like USD. 

So China starts by deflating it's currency in return.

Nick,There is a buzz of the market crash and a currency fall.

Now is a great time especially with the CARES act to jump on investing passive or active into real estate especially with the current currency and stocks/etfs/bonds inevitable outcome.

So I am asking you, Biggerpockets if you have any local recommendations for a CPA/ tax expert that specializes in small time real estate investors and also have an understanding of crypto currency trading as well.

Reserve Currency status has been very good for the US and USD since Breton Woods.

However, if you buy a property in Mexican pesos, you might be better of using a foreign exchange company for the currency conversion as the banks will charge you a hefty fee.

I don't understand a lot of it yet, esp why do different currencies get different interest rates etc.

As long as the Fed and the Govt control monetary policy and the dollar remains a global reserve currency, this is unlikely to change.