1. Sundaram C.R.S.: ‘Review of the irrigation equipment manufacture and supply sector in India’. Available athttp://www.fao.org/docrep/w7314e/w7314e0r.html accessed 27 October 2017
2. Enriched efficiency with cost effective manufacturing technique in 3.7 kW submersible pump sets using DCR technology;Manoharan S.;Int. J. Electr. Eng. Inf.,2011
3. ‘India brand equity foundation Power’. Available athttp://www.indiaopportunities.es/archivos/publicaciones/PowerJanuary‐2016.pdf accessed 28 September 2017
4. ‘BP statistical review of world energy’. Available athttps://www.bp.com/content/dam/bp/en/corporate/pdf/energyeconomics/statistical‐review‐2017/bp‐statistical‐review‐of‐world‐energy‐2017full‐report.pdf accessed 27 September 2017