umm
First Sasu ma had some coma ,lost her memory and ability to speak and then got it back ..
Then sid had accident lost his memory and came with a new identity and then was proven to be sid
Now Akshay had an accident . he lost some memory ,reuperated in superfast speed and comes in with a new iedntity with a purpose . then he will come as akshay
Lets see .fourth in line --who can it be next
Satya -- accident ..becomes all goody goody and then reverts back to evil
Mamta --accident . becomes evil and then goody goody
Tani --falls from stairs and goes in coma
Bua has a stroke and comes out of it as a faqeer
cummon lets take guesses