REFERENCES

  1. Shyamala Thangamani and Thangamani A; History of Science and Technology,Shrishti Impression, 2006
  2. Venkatraman R, Histoy of Science and Technology, Ennes Publications, 1998.
  3. Varghese Jeyaraj S, History of Science and Technology, Anns Publications, Uthamapalayam,1997.
  4. Websites:iloveindia.com,www.space.com,www.collectspace.com.

 

Biography of kalpana chawla by m.kavitha