QUOTE : A system to prevent the soiling of railway tracks by Madhav Pathak of Jabalpur, Madhya Pradesh; Herbal pesticide tablets to be used in the storage of foodgrains by Priyanka Guleria of Sionty village, Punjab; Low-calorie biscuits made from banana peels by Rucha Joshi of Nanded, Maharashtra; A toy laser with educational applications by Sudhanwa Hukkeri of Belgaum, Karnataka; A software program for embedding text through audio signals by Kyan Pardiwalla of Mumbai, Maharashtra; An optically controlled wheelchair by S. Harish Chandra of Chennai, Tamil Nadu.