difference between Primary evidence and Secondary evidence

[@dineshkumarsingh4854]

best

[@mdcreation1146]

Good evening mam

[@chandanrajput5861]

V good but mam pura lecture dya kro ese bhi

[@nidhinigam2426]

Mam aapki 24 se shuru hone vali class ka batch kaise lu

[@mdcreation1146]

Hello mam

[@suryavanshi7558]

पहले हम 😂

[@royrathor952]

Mam plz thoda english use kijiye plz