Carl Gustaf 84mm RCL also known as 84mm RL in standard multi-purpose RL in Army and it is licensed produced.Though improved by DRDO time to time, The optics on this and certain ammunition all are made and design in India and mass produced.
Their are variants of this in Army, MK1/2/3, MK3 is the lightest and replacing MK2 from Army ..
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MK2 : 14.5 Kgs with Weight of weapon complete with telescopic sight and bipod
MK3 : 10 Kgs with Weight of weapon complete with telescopic sight and bipod
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Their is no personal choices their in Army, But lighter is always preferred from view of a foot solider.