Employer shut down its operations without notice what can i do

I am presently employed with 1 of the 5 star resorts in goa in the capacity of mgr for last 7 yrs who has closed down their operation all of a sudden since 1st april without any notice.i would like to know as to wthr the co can cheat me off my final settlement as i was told that my desgn doesnt fall under the labour law siince i mgmt category can i approach the labor office in case of any dispute like my gratuity and salary for the notice period and so on and let me hope that the owners doesnt have any right to curtail my service benefits by any sort of cheating mentality. Pls advise