What does ‘integration of judiciary’ mean?

It means that the Supreme Court controls the judicial administration in the
country. Its decisions are binding on all the other courts of the country. It can
take up any dispute:
(i) between the citizens of the county;
(ii) between citizens and the government;
(iii) between two or more state governments; and
(iv) between the union and state governments.
It is the highest court of appeal in civil and criminal cases. If can hear
appeals against the decisions of the high courts.