  This paper has been removed by arXiv administrators because it plagiarizes
gr-qc/0304081, gr-qc/0212018, gr-qc/0501002, gr-qc/9601044, and gr-qc/0109017.
  This paper also has excessive overlap with the following papers also written
by the authors or their collaborators: gr-qc/0603027, gr-qc/0511030,
gr-qc/0512080, gr-qc/0607011, gr-qc/0603108, gr-qc/0601141, gr-qc/0603063,
gr-qc/0608050, gr-qc/0607095, gr-qc/0607082, gr-qc/0511095, gr-qc/0601070,
gr-qc/0505078, gr-qc/0607083, gr-qc/0607116, gr-qc/0612016, and others.
