Explanation - In this clause, -
(a) the expression "mental disorder' means mental illness, arrested or incomplete development of mind, psychopathic disorder or any other disorder or disability of mind and includes schizophrenia;
(b) the expression "psychopathic disorder" means a persistent disorder or disability of mind (whether or not including sub- normality of intelligence) which results in abnormally aggressive or seriously irresponsible conduct on the part of the other party, and whether or not it requires or is susceptible to medical treatment; or
(iv) has been suffering from a virulent and incurable form of leprosy; or
(v) has been suffering from venereal disease in a communicable form; or
(vi) has renounced the world by entering any religious order; or
(vii) has not been heard of as being alive for a period of seven years or more by those persons who would naturally have heard of it, had that party been alive.
Explanation - In this sub-section, the expression "desertion" means the desertion of the petitioner by the other party to the marriage without reasonable cause and without the consent or against the wish of such party, and includes the wilful neglect of the petitioner by the other party to the marriage, and its grammatical variations and cognate expressions shall be construed accordingly. (I-A) Either party to a marriage, whether solemnized before or after the commencement of this Act may also present a petition for the dissolution of the marriage by a decree of divorce on the ground -
(i) that there has been no resumption of cohabitation as between the parties to the marriage for a period of one year or upwards after the passing of a decree for judicial separation in a proceeding to which they were parties; or
(ii) that there has been no restitution of conjugal rights as between the parties to the marriage for a period of one year or upwards after the passing of a decree for restitution of conjugal rights in a proceeding to which they were parties.