(i) Importance: Many industries depend upon Rubber as their raw material especially transport industry. (ii) Geographical conditions: (a) It is an equatorial crop, but under special conditions it is also grown in tropical and subtropical areas. (b) It requires moist and humid climate with rainfall of more than 200 cm and temperature above 25°C. (iii) Rubber producing states are Kerala, Tamil Nadu, Karnataka, Andaman and Nicobar Islands and Garo hills of Meghalaya.