Is a 1950 ford sedan battery a positive or a negative ground? Why are gram-positive bacteria purple in colour while gram negative are red? Gram-positive bacteria have a thick mesh-like cell wall which is  made up of peptidoglycan (50-90% of cell wall), which stains  purple.
If you talk about best schools in delhi ncr â Shri Ram School and DPS schools chains dominate top rankings. However Amity School is also considered in top schools. Being from Gurgaon and an alumni of DPS SECTOR 45 I can say DPS Sector 45, Sushant Lok are still the best schools in gurgaon particularity.
1 St. Columba's School, Delhi, a Catholic boys school in India. 2  St. Crispin's Senior Secondary School, an Indian school in Gurgaon, Haryana. 3  St. Clement's School, a private girls school located in Toronto, Canada.  St. Catherine of Siena School, a catholic elementary school in Albany, New York.