On 1 June 2009, the Indian Ministry of Railways issued the Rates Circular No. 36 of 2009 specifying the tariff rates for transportation of iron ore through railways. The Circular differentiates iron ore meant for domestic consumption as compared to that meant for exports. Accordingly, the latter is subject to an addtional Distance Based Charge ranging from 0-125% of the normal charge according to the distance of such transport. The Circular is applicable until 5 September 2009
 
On 30 July 2009, the tariff rates were increased by Rs. 200 per tonne and the applicability of the rates was extended till 5 November 2009. The measure was further extended through Addendums 2-7 until 15 May 2010.
 
The following amendments were introduced later on the above tariff rate (Note the fixed tariff rate is in addition to the 0-125% charge mentioned above).
 

• Addendum No. 8 (15 March 2010) - tariff increased by Rs. 300 per tonne; applicability until 31 March 2010
• Addendum No. 9 (25 March 2010) - tariff increased by Rsi. 100 per tonne; applicability until 30 April 2010
• Addendum No. 10 (27 April 2010) - tariff increased by Rs. 100 per tonne; applicability until 31 May 2010 
• Addendum No. 11 (28 May 2010) - tariff increased by Rs. 300 per tonne; applicability until 31 May 2010; applicability until 30 June 2010
• Addendum No. 12 (30 june 2010) - tariff unchanged; extended indefinitely
• Addendum No. 13 (24 January 2011) - tariff increased by Rs. 500 per tonne; tariff applicable from 27 January 2011 and valid indefinitely
• Addedum No. 14 (1 March 2011) - tariff increased by Rs. 100 per tonne; applicable indefinitely
• Addendum No. 15 (5 March 2012) - tariff decreased by Rs. 475 per tonne; applicable indefinitely