1. you are required to produce a surety for you,
the surety is required to submit documents of property (movable/immovable) to the satisfaction of the concerned IO/Court
the property may be FD/House/Vehicle/etc
2. to proceed further, joining investigation is necessary,
3. you can submit your statement before the IO and can also submit relevant documents for your defence,
4. you can produce the relevant documents during the investigation, and, can opt for discharge/quash
5. a statement given in the court is always acceptable