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.
Delhi Public School Alwar is a Co-Educational Senior Secondary School affiliated to the Central Board Of Secondary Education. The School was set up in the year 2007 and managed by the Kartik Shiksha Samiti, Alwar.The school is furnished with 15 classrooms and all essential facilities.