Trees are (a) — (use) to man in many ways. They are companion in our day to day life. It is (b) — (possible) to build our homes, furniture etc. without trees. Trees save us from flood and (c) — (nature) calamities. It (d) — (strength) the soil. If we cut trees (e) — (discriminately) there will be ecological (f) — (balanced). So tree (g) — (plant) programme should be extended for a better, (h) — (happy), (i) — (healthy) life and (j) — (peace) environment.