The NATIONAL INSURANCE SCHEME (N.I.S.) is a social security organisation which has as its Mission: To establish and maintain a system of Social Security through which enough income is secured to take the place of earnings when such are interrupted by sickness or accident. * To provide for retirement through age, sudden death of a breadwinner and to meet exceptional expenses as those concerned with birth and death. * To ensure that monies collected which have to be used for future payments are invested in such a manner that the economy of the country would reap maximum benefit.