Based on market cap and returns these are my suggestions. Please do your own research also before making your decision.
IT - TCS, HCL, Infosys, Wipro
Pharma - Sun Pharma, Lupin, Dr Reddy
Auto - Maruti Suzuki, Tata, M & M, Bajaj, Hero Corp
Oil - Jindal Drilling, Alphageo
Bank - HDFC, SBI, ICICI, Axis
Telecom - Bharti Airtel, Idea
FMCG - HUL, Nestle
Metal - Hind Zinc, Hindalco
Hope this information helps. Also note that the markets keep changing so don't make any decisions solely based on this information alone.