What are the Urea Policies implemented so far related with subsidy payment to Urea Manufacturing Units so far since beginning?

What are the Urea Policies implemented so far related with subsidy payment to Urea Manufacturing Units so far since beginning?

The following policies related with subsidy payment to urea manufacturing units were implemented since 1977:

  1. Retention Price Scheme (RPS)11.1977 to 31.03.2003
  2. New Pricing Scheme (NPS) – I for the period from 01.04.2003 to 31.03.2004
  3. New Pricing Scheme (NPS) – II for the period from 01.04.2004 to 31.09.2006
  4. New Pricing Scheme (NPS) – III for the period from 01.10.2006 to 01.04.2014
  5. Modified New Pricing Scheme (NPS) – III for the period from 02.04.2014 to 31.05.2015
  6. New Urea Policy (NUP) – 2015 for the period 01.06.2015 to 31.03.2019 (Applicable for 25 gas based urea units)
  7. Amended New Urea Policy NUP – 2015 notified on 28th March, 2018
  8. New Investment Policy – 2012 notified on 2nd January, 2013
  9. Amended New Investment Policy – 2012 notified on 7th October, 2014