IRON & STEEL INDUSTRIES

1. TISCO - jharkhand -- 1907--Est by J.R.D.TATA
2. IISCO -- baran pur - westbengal -- 1919
3. Visveswarya iron & steel limited-- karnataka -- 1923
4. bhilai steel plant -- chattisgarh -- support USSR -- 1959
5. durgapur steel plant -- wbengal -- support BRITAIN -- 1962
 6. rourkela steel plant -- odisha -- germany -- 1969
 7. bokaro steel plant -- jharkhand -- USSR -- 1972
8. vizag steel plant --Vishapatnam -- USSR -- 1971
9. SALEEM steel plant --TAMILNADU
10.vijayanagar steel plant --KARNATKA

LEATHER INDUSTRY --India top in the world followed by china
PAPER INDUSTRY -- Top -3 -- USA , CANADA , india-- wbengal , gujarat , maharastra
 CEMENT INDUSTRY -- TOP3 , china , india , USA , in india -- MP , AP, rajasthan

AGRO BASED INDUSTRY 
COTTON -- top -3 -- china , USA , India ,, in india -- maharastra , gujrat , tamil nadu
WOOLEN -- TOP -- Australia , in india -- punjab , maharastra ,
 UP SILK -- TOP -3 , CHINA , INDIA , JAPAN ,, in india -- karnataka , Assam , wbengal
JUTE -- top -- india , bangladesh , in india -- wbengal , andhrapradesh
SUGAR -- top -- cuba , india , In india --maharastra , UP , tamilnadu