Possible Clues:

• Lacking electronics, correspond with one Asian city
• Tourist city on the Jumna
• Marble tomb site
• City famous for its Mogul architecture
• There's a rag in bits for the taj there
• Train stop between Delhi and Mumbai
• Not tight
• It's southeast of New Delhi
• Much-photographed mausoleum site
• Enthralled by India, gracious setting for a famous sight