please tell me more that which are the best business schools for operations and retail management?

It is good that you have chosen retail management because there will be plenty of job opportunities in this Retail industry with companies like Walmart and Reliance Retail coming for recruitments and offering good packages. While choosing a business school, you should always visit the website and

there are numbers of good college in delhi that provides good results in retail management....visit the link for the college list. http://www.indiaedu.com/delhi/colleges/management/