Corossion of metals

Corrosion is defined as an attack on a material as a result of chemical, frequently electrochemical reaction, with the surrounding medium. According to this definition, the term corrosion can be applied to all materials, including non-metals. But in practice, the word corrosion is mainly used in conjunction with metallic materials. Why do metals corrode? Apart … Read more

National and state SC/ST commission

National and state SC/ST commission National SC commission National Commission for Scheduled Castes (NCSC) is an Indian constitutional body established with a view to provide safeguards against the exploitation of Scheduled Castes to promote and protect their social, educational, economic and cultural interests, special provisions were made in the Constitution.   Functions To investigate and … Read more

National and state minority commission

National and state minority commission Constitution of India doesn’t define the word ‘Minority’ but has used the word minorities considering two attributes religion or language of a person. For minorities Constitution of India has envisaged a number of rights and safeguards. To provide enough equality and to dwindled the discrimination, makers have spelt out various … Read more