Hey,

The following colleges of du provides hostel facilities- 

• Daulat Ram College 
  
• Hansraj college 
  
• Hindu College.
• Indraprastha College for Women. 
• Kirori Mal College.
• Lady Shri Ram College for Women.
• Miranda House.
• Ramjas College.
• Shri ram
• St Stephens 
• Sri venkateswara 
•  Sri Guru Tegh Bahadur Khalsa College 
• Maharaja Agrasen College 
• Keshav mahavidyalaya 

The seats in the hostels ar pretty less and difficult to get if being a reserved candidates.  There are more hostels provided by du which ypu check on the du website. 

Hope this helps.