Reference:

• Fig.1: http://hyderabadadvisor.com/wp-content/uploads/2011/05/Ramoji-Film-City-5.jpg
  as on 03-02-2015
   
• Fig.8: http://www.bestcommuterbikereviews.com/wp-content/uploads/2014/02/bike_parts1.png
  as on 03-02-2015
   
• Fig 2(top): http://www.twitsnaps.com/share/photo/34712_04042009029.jpg
  as on 03-02-2015
   
• Fig 2(bottom): http://farm6.staticflickr.com/5138/5543190841_1501ae60d0_o.jpg
  as on 03-02-2015
   
• Fig.9: http://upload.wikimedia.org/wikipedia/commons/4/42/Draisine1817.jpg
  as on 03-02-2015
   
• Fig.10-L: http://www.sterba-bike.cz/media/foto/3/img8f89dc965cc78819ba2d6571988362ff.jpg
  as on 03-02-2015
   
• Fig.10-R: http://exit-entrance.blogspot.in/2011/07/bicycle-history.html
  as on 03-02-2015
   
• Fig.11: http://s7d4.scene7.com/is/image/TrekBicycleProducts/Asset_222451?wid=1490&hei=1080&fit=fit,1&fmt=png-alpha&qlt=80,1&op_;usm=0,0,0,0&iccEmbed=0
   
• http://www.bikesdirect.com/products/schwinn/images/le_tour_classic_2100.jpg
  as on 03-02-2015

Other Links:
• Useful resource e-links related to 'Product Design' in India
• International resource related to 'Product Design'
• Product Design at IDC IIT Bombay

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