Regarding IPO Investment Limit

I have one question. How much amount of money a retail investor is able to invest in a IPO?. Is there any limit for retail investor?.

Yes retail investor has limit of rs 2 lakhs per IPO.

Is there any way to remove that limit?.

you can apply in HNI category.

please read more here

As retail Investor you cannot increase your limit, it’s prescribed by exchange. Only HNI can invest more than 2 lakhs per IPO.
Other option for investing more than 2 lakhs is applying through family accounts.