  This paper has been removed by arXiv administrators because it plagiarizes
gr-qc/0603075, 0706.3245, gr-qc/0403097, gr-qc/0404108, gr-qc/0303034,
hep-th/0206052, and others.
  This paper has excessive overlap with the following papers also written by
the authors or their collaborators: 0704.0525 and others.
