He has been collecting old postcards of Meerut, Delhi and adjoining parts of the country for a number of years. These postcards were printed in Europe from photographs taken by travelers in various parts of the country in the time frame of approximately 1910 and 1920. Thus they form a separate class of pictorial records of that time, the other being original photographs and newspaper / magazine prints. Out of the region around Delhi, the maximum number of postcards printed were those of Mussoorie, Meerut, Amballa, Agra and Roorkee.