The commonest cause of air-borne dermatitis in India is (AIIMS Nov 2013)
1). In India commonest cause of the air born contact dermatitis by parthenium hysterophorus (congress grass)
2). Detergents - are most common cause of contact dermatitis in Indian women
3). Nickel - Most common metal involved in the dermatitis.
The most common presentation of contact dermatitis is hand eczema