BENGALURU — India's private space companies escalated calls on Monday for the government to ease supply-chain and testing bottlenecks constraining rapid growth in domestic satellite manufacturing. The appeal came as firms reported rising order volumes.

Companies including Pixxel, Dhruva Space, and Bellatrix Aerospace have expanded production lines to meet demand for Earth-observation and communications satellites. But executives said dependence on imported components, limited domestic testing facilities, and slow certification processes were slowing delivery timelines.

The Indian National Space Promotion and Authorisation Centre (IN-SPACe) regulates and enables private participation in India's space sector. IN-SPACe officials have previously outlined plans to boost testing infrastructure and support component localisation.

Industry representatives warned that the bottlenecks risked undermining India's competitiveness against manufacturers in the United States and China unless investment in facilities and faster clearances accelerated. They pointed to a widening gap between growing order books and current production capacity.

The Indian Space Association, a trade body representing private firms, has urged the government to prioritise indigenous manufacturing of critical subsystems and to expand access to shared testing centres to reduce delays and costs.