Kinds of Feathers in Birds 

Sir this world needs more teachers like you 🙏🏻 I have recently come across your channel and I must say that you explain every topic very easily ...please don't stop making lecture videos . -From West Bengal

A wonderful presentation on wings morphology and ptetolysis. As an ornithology expert I have more details on this topic and willing to share with students when I tree. Presently bussy with my production. Congratulation for such enthusiasm

Nice sir, explain bhaut aachai se kertai ho sir, jho bilkul brain mai fit ho jaata hai. 👍

Thank you so much. Effective lecture,sir. I am from Bangladesh.

A very nice lecture in the wide academic interest

Thank you so much sir aapka ye video very helpfull rha mere liye

Very nice lecture sir thanku so much 💓apke jaise professor chahiye humlog k clg m😊😊😊

Sir aap bohot Achha padhate h

Sir aap bhut achhe se padha rhe hai thank you sir🙏🙏

Very well explained 😃

Sir plz upload the msc lecture and thanx to you which very relaxing to me this lecture on my studying

Sir ala suprie key bary main btaen k unka kam Kya hota hota he

Explain in very simple way 👍👍

Best video

Awosome explanation sir ji

Best classes

Best video Sir

Thank you sir... Your vedios are very helpful

Is there any video for Integument of reptilia?

Thank you so much sir this is very amazing lecture ☺️

Sir ye topic "describe the brain of amphibia and compare it with that of mammals" padha dijiy🙏🙏

Nice digram sir👍🤩🤩

Thank u so much sir .... Nice explanation

Sir development al biology par videos bna dijiye Entrance exam hai august Last mein

Thnx a lot sir.

Thank you sir

Thanks sir ji

Excellent explanation sir

Sir pehle lacture k link de dijiye plz

Thank you sir😊

Thank you❤🌹 sir

Excellent sir

Sir plz try air out bio keep lite batch start kijye

Nice sir ji🙏🙏🙏

Nice explained

thanks sir

Thank you sir ji

Thank you sir.....🙏🙏🙏🙏

Nice sir

🙏🙏

Nic sir

Nice sir 👌

Thanks sir😍😍

That's great