. marmelos, A. indica, T. ammi and H. antidysenterica; chloroform extract of A. catechu, A. indica and T. ammi; and methanol extract of A. catechu, A. nilotica, A. marmelos and T. ammi (MIC, d" 50 ì g/ml) followed by petroleum ether extract of O. basilicum and chloroform extract of A. nilotica, A. marmelos and H. antidysenterica (MIC, 50-100 ì g/ml). These preliminary results will be helpful in rationalizing the use of plants based traditional medicines in modern systems of health care.

The major determinant of career aspiration, self-confidence plays a major role in developing career orientations among higher secondary students. The present descriptive survey research conducted on 50 higher secondary students (25 male and 25 female) studying in CGBSE affiliated government school, is intended to explore the relationship between career aspiration and self-confidence among higher secondary students. After analysis and interpretation of data using descriptive and inferential statistics techniques, it was found that majority of the students have low levels of career aspirations and average level of self-confidence. Significant correlation was found between career aspirations and selfconfidence of higher secondary students. Career aspiration of female students were higher than the male while male students were having higher self-confidence than the female. The findings of the study indicate the need for develop career aspirations and enhancing self-confidence among higher secondary students by providing conductive atmosphere for learning, setting realistic and challenging goals, etc. It is also recommended that career guidance programs should be organized systematically in institutions to augment the career aspiration of higher secondary students.

The networking community is colossally moving towards the IPv6 addressing abandoning the IPv4 address space. This occurs because of the enormous development of Internet utilization over the networks. Government has mandated from June 2006 onwards that all the devices would be IPv6 ready as the postponement in the organization of IPv6 would bring about the negative effect of future development and worldwide network. In this paper we are managing the effect of various interfaces like IPv4 just, IPv6 just and Dual stack instrument over remote systems with changing PHY and MAC layer interface with various wireless standards. The outcomes of results are simulated over Qualnet 5.1 test system with different parameters like throughput, delay, jitter and packet delivery ratio is been calculated.

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