SERVICE QUALITY; BUSINESS CLASS SEGMENT; 1 CELLULAR INDUSTRY 1 CONSUMER BANKING; 1 CUSTOMER COMMITMENT 1 CUSTOMER SATISFACTION 1 CUSTOMER SATISFACTION INDICATORS; 1 CUSTOMER SATISFACTION; 1 DATA MINING; 1 KERALA CIVIL SUPPLIES CORPORATION; 1 MAVELI STORES; 1 MERCHANDISE QUALITY; 1 MOBILE PHONE SERVICES; 1 MOBILE SERVICE 1 MOTIVATING FEATURES; 1 PUBLIC DISTRIBUTION SYSTEM; 1 RETAIL BUSINESS 1 RETAILING; 1 SERVICE PROVIDERS; 1 SERVQUAL; 1 STORE LOYALTY 1 STORE SATISFACTION; 1 SUPER MARKETS; 1 SUPPLYCO; 1 TRUST; 1 YOUTH SEGMENT; 1