India is a secular democracy because the government treats all religions equally. In western countries secularism means isolation of faith from the government, but in India it's an acceptance and equal support of each faith from the government level.
C and D are the best answers out of the bunch
Julius Caesar did indeed commit treason by crossing the Rubicon because it was legally proscribed that if any army-leading general crossed the boundary it would start a coup d'etat which was strictly forbidden. Because of the crossing, it started the Roman Civil War.
