Look at this!

 UNITS IN TICK5:

UNIT-1 (ONE): ICT WORLD

UNIT-2 (TWO): LIVING BEINGS

UNIT-3 (THREE): THE WORLD

UNITS IN TICK6:

UNIT-1 (ONE): ICT WORLD-II

UNIT-2 (TWO): THE UNIVERS

UNIT-3 (THREE): RECYCLING