I would like to know if the following investment is halaal and if not, what should be done with the payment one receives back. the investment is as follows-
1. It is a fixed return policy (e.g. a person invest 10000 and after 5 years one will receive 15000 back, this is guaranteed irrespective if the investment company makes a profit or a loss or if it makes additional profit)
2. The investment company collects all the money received and puts it into a general fund and thereafter invest the money as it sees fit (they invest it in various different income streams ranging from property to government bonds).
3. Upon maturity the guaranteed amount is paid back to the investor.
Can you please inform me if this is permissible and if not, what should be done with the payment received on maturity (the capital amount and the profit amount)?