Technology transfer is experience of others only. For example, as far as I know Pinaka uses GNC(Guidance, Navigation Control) kit developed by RCI , but the INS equipment is made in France. No idea if they have their own INS installed or it's still the same in MKII version.I think it's quite likely. They want to do things themselves. They don't like to use the experience of others.
Depends on what you mean by "howitzers." IA wants up to 3600 new howitzers
Original plan: 1580 towed, 814 mounted, 180 self-propelled wheeled, 100 self-propelled tracked, and 145 ultra-light 155 mm/52 calibre artillery guns.
Mountain warfare is tricky you can't always shoot and then scoot and more over after ukraine war many weapons have their weakness open.