First you fill up form 12 within 48 hr. which is available on ESIC employer site & take 2 witness letter & EC copies for current period then visit to ESIC office with all supporting documents & explain them every thing about accident day, time, place.
Further they will assist you about register Form II muster roll, wages register,Accident register, covering Letter.
Thanks & Regards,
7th July 2017 From India, Thane