About & archive
Our History
Who we are, and a look at what India's oldest telescope manufacturing company used to build since 1976.
Late Dr. Raju Patel
Founder & Sr. Partner
Our story
A little about M/s Tejraj & Co.
Tejraj & Co. was established in Mumbai in April 1976 as a small venture dedicated to the design and manufacture of precision astronomical telescopes, particularly Newtonian telescopes.
The late Dr. Raju Patel brought over 40 years of experience in telescope design and manufacturing, along with 35 years as an observational astronomer and astrophotographer. His expertise and passion continue to inspire Tejraj & Co. today.
Est. 1976
India's oldest telescope manufacturing company
Precision astronomical telescopes designed and built in Mumbai - serving amateur astronomers across India for nearly five decades.
1980-81
Solar Telescope / Solar Reflection System Coelostat
Unique piece technically designed, fabricated, and installed at Nehru Planetarium, Mumbai by Raju Patel solely in the year 1980-81.
Instruments we manufactured
Newtonian reflectors, achromatic refractors, Skyview and STARTRACKER systems, pier stands, and more from decades of workshop production in Mumbai.