checking about fraud or legal

Location/place: Asansol

Name of company/service: unemployed

KOLKATA WEIR INDUSTRIES LIMITED(KWIL), ASPEN PROJECTS INDIA LTD THESE COMPANIES CONTROL RECURRING DEPOSITS i.e., 1,000-00 PER [email protected] PER ANNUM AND RETURNED RS.14000-00 i.e.Rs.2000 extra. 1)I want to know is there any link up with R.B.I, R.O.C., SFIO! & 2) How to know about any company Legal or Illegal? please keep a overview about this question.