How to move demat shares from one account to another?

Can I buy and sell shares directly from my demat account?

In how many days the shares gets debited from our demate account after we sell it ??

I was having a demat account with a broker who was banned by SEBI a few weeks ago from participating in the markets. I am now worried about my shares in my demat account.

Do I have to have a demat account with a lender to get a loan against securities/shares (LAS) with the same lender?

If one has to take a loan against shares/securities (LAS), should his/her securities be in the demat form?

Is it possible to withdraw some money from my PPF account?

Can’t an account holder withdraw his entire money from a PPF account before maturity?

Is there any limit on how much one can remit from NRE (Non-Resident External) and NRO (Non-Resident Ordinary) accounts?

How are non-resident external (NRE) and non-resident ordinary (NRO) accounts different from one another?

What are bonus issues of shares and what are stock splits? How are they different from one another?