Got a Job Offer in Lagos -Nigeria GBNL?

I am coming from India and working in a MNC company. Wanted to know how is the life in Lagos and what is standard of living. What should be the salary opted for a family of 3. Do we have Indian Families in Lagos. How is culture over there. Is it safe opting for a Job in Lagos. Can some one help me to know a little more of this place and other details would be of great help