What is known about Vikram-1, India's first private orbital rocket set to be launched today?

Skyroot Aerospace will launch maiden test flight of Vikram-1, India's first privately built orbital-class rocket, on Saturday. Vikram-1 is a seven-storey-tall, multi-stage rocket with an all-carbon composite structure and powered by 3D-printed engines. It can carry small satellites weighing up to 350 kg to low Earth orbit and is targeting a 450-km orbit at 60° inclination in the test flight.