lack of ambitions and capability.
01.
isro, aged 50+, funded hugely by government and with many thousands of employees.
spacex, aged 12, privately funded ( lot less ), with 3800+ employees.
02.
isro work-horse launcher - pslv - leo luggage capacity, 3.2 tons - gto luggage capacity, 1.4 tons
spacex ( former ) work-horse launcher - falcon 9 - leo luggage capacity, 10 tons - gto luggage capacity, 4.5 tons.
03.
isro not having a leo spaceship which is proper-sized or useful
spacex designed the dragon leo spaceship with human-capability-testing in mind
04.
isro cannot transfer any luggage to the space station
spacex dragon 1 has made four operational trips to space station just since inauguration in 2012
05.
isro does not have a concrete or properly theoretical human program... majorly a satellite maker
spacex was begun with the objective of taking people to mars
06.
spacex will probably test its first test pilot by end of 2016
isro - ??
07. spacex has been testing the falcon v1.1 rocket which is meant for resusability
isro has not tested any such vehicle
08.
spacex has displayed the dragon v2 leo spaceship meant to carry seven people
isro - ??
09.
bigelow aerospace is making inflatable space stations
isro will probably lease them within five years, with transport provided by spacex
10.
spacex is meant to be the main transport provider in the "mars one" program
isro ??
11.
whether or not "mars one" starts, spacex will get humans to mars
isro - ??
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dragon v2... elegant and simplified interiors... with powered-landing capability...