I bought 530 call option of Asianpaint currently which is very much illiquid , last traded price is 38 , bid /ask is 5/49 , now if I donot sale it and keep it up to expiry AND 38 remains last traded price ,also suppose at june14 expiry price of Asian paint underlying is 580 /- , what price exchange will credit me --- Rs. 50/- (580-530) or 38/- ( last traded price) ? please guide.