sir, 🙏previous day only i watched ur videos sir. excellent explanation sir. its very useful for the trb aspirants sir. i watched pg trb unit 8 . it was wonderful notes you have given sir. thank u somuch sir plz continue ur service sir . because there are lots of students waiting to climb their goal sir. one day ur channel and u will rise . don't giveup for the views sir. keep continue sir . thank u somuch👏👏👏
