Hello sir, 

I know this question arise in many minds after graduation as according to my experience i would like to list some companies matching you as you also done it from reputed university. 

• HPCL ( Hindustan Petroleum Corporation Limited )
• BPCL ( Bharat Petroleum Cororation Limited )
• ONGC ( Oil and Natural Gas Corporation )
• NALCO ( National Aluminium Corporation Limited )
• NPCIL ( Nuclear Power Corporation of India Limited )
• 
  
• oil and gas Companies

royal dutchshell, Exxon mobil,BP,total chevron ONGC,IOCL

• Pharmaceutical

pfizer,roche,glaxosmithkline,lupin,glenmark

• Agriculture 

Gsfc, NFL,rallis india, potash corp,UPL

• Textiles

• Automotive

   Unilever, nestle, pepsico, procter and gambler, godrej, pidlite industries

Various Industries like pesticide manufacturers or various automobile sectors in their paint shops. Companies like Maruti Suzuki, Ashok Leyland and others visit there offering a decent placement. But the placements don't happen branch wise. They take place as per the industry requirements.