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India has made tremendous strides in launch vehicle technology to achieve self-reliance in satellite launch vehicle programme with the operationalisation of Polar Satellite Launch Vehicle (PSLV) and Geosynchronous Satellite Launch Vehicle (GSLV).
The Indian Space Research Organization’s (ISRO) expendable Polar Synchronous Launch Vehicle (PSLV) has enjoyed a steady and successful business run with medium-lift launches (~3.8 ton to Low-Earth Orbit (LEO)) for nearly two decades All of ISRO’s currently operational launch vehicles – the PSLV, GSLV Mk-II, and GSLV Mk-III – are based on modular expendable architecture where none of the modules ( boosters and the other three-or-four stages), can be reused.
Attempts to reduce the cost of satellites and launch vehicles, and allow them to carry heavier payloads, are being explored through the use of miniaturized avionics, advanced electronics, and electronic propulsion system, among other mechanisms

As of now, India is quite competitive with regard to the prevailing global launch cost. So far, India has launched 209 satellites of nano, micro, mini, and standard size for 28 countries.
ISRO’s low prices and its high success rate have attracted foreign clients. While a satellite launch on Arianespace’s rocket costs about $100 million after subsidies, SpaceX will charge $60 million. In contrast, Isro charged an average of $3 million per satellite between 2013 and 2015.
There is a global movement to reduce the cost of access to space to the tune of one-tenth of the prevailing one. India is also working towards that. The Indian Space Research Organisation (ISRO) is fully prepared to compete in the global race to cut the cost of launching satellites,

for this India is developing a new-generation rocket that would cut satellite launch cost by half, boosting low-cost access to space