1::Automobiles::Tata Motors,ashok leyland ,bajaj or hero honda,amtek auto and mahindra and mahindra..One related to automobile sector but not pure in it Apollo tyres
2::Banking & INsurance::Reliance capital(looking for banking license),AXIS ,Hdfc(if it take overs banks like dcb),BOB,Kotak
3::Metals::Tata steels,jsw steels,Sessa goa(Buy only when it goes below 300 and consolidate presently too much volatile)
4::Telecom and communications related::RCOM,Idea,Sasken communications,Tata tele,Infotel(when listed....i myself got caught in hfcl infotel hearing news that its same company but now said fresh equity will be issued),and reliance infratel(but again(value of share must be consider when it comes)
5::Natural GAS & OIL::Rnrl( ya u heard it right) ,Reliance, Aban offshore(Not now as they just lost 55% revenue rig...their finance Balance sheet will hit the stock badly in few months),Cairn india (to be number 2 after reliance and will be as bigger as we see ongc now)
6::Commodity related like sugar,fertilizer and even FMCG::HUL,marico,ruchi soya,godrej consumer,gnfc gsfc..Sorry sugar bet only when their is shortage not now...
7::Future sectors like genetic field,security systems and nuclear product related: L&t,punj lloyd,seimens,Praj industries,zicom and zylog systems...For genetic i need to check sorry
8::Government PSU:: SBI , Lic housing,NPCIL(if ever it gets listed),Allahbad bank or andhra bank,bhel ,hindustan petroleum,uco bank,vijaya bank,shipping corporation
9::Shipping and logistics:: Mercator lines,psl,pipavav related companies like pipavav shipyard...and gujarat pipavav when its listed need to check rates,mundra port
10::Health care & Pharma:: Dr reddy,glenmark,fortis healthcare,opto circuits and lupin(right now expensive...if it touches 1500 than try)
Sectors other than above(Power,aviation,IT,Realty etc)::Jsw energy,reliance power ,Spicejet,adani power,suzlon,torrent power,crompton greaves..and siemens again ..
Sorry no realty bet right now...But in construction HCC looks a good bet for long term