LED बल्ब काम कैसे करता है? ये बिजली बिल कैसे बचाता है?

[@AsthaPatel-nm9sr]

App sabhi ko dhanyawad 2k subscribers ke liye 🎉🎉❤❤🙏

[@RajendraPiloda]

ख़ान Sir , बहुत सुंदर 👌👍💙💚❤️💙

[@aarush3311]

You are best teacher sir... Thank you so much..

[@JyotiKumari-bb7tu]

💖😍Jindagi Mein asali safalta Hame tabhi Hasil Karte Hain Jab Ham dusron Ko Safal hone Mein madad karna Sikh lete🤗

[@Joginder-ux7bz]

❤ Great Khan Sir ❤
Aap desh k Gourav h
❤Dil se Salam❤

[@KhushbooTuri]

Very good sir 😮 Thanku you so much sir 😊

[@Help_to_TTM]

कौन कौन चाहता है कि खान सर को भारत रत्न मिलना चाहिए

[@Chandanyadav-mh]

आप चाहती हैं!!

[@Help_to_TTM]

@@Chandanyadav-mh आपसे बात करना चाहती हूं

[@Chandanyadav-mh]

@@Help_to_TTM बोलिए क्या बात करनी है जी

[@Ashisingh1121]

Mai fir se tapk gyi 😂❤

[@jayprakashyadav6649]

Guruji aapka bahut bahut dhanyabad ❤❤

[@shivkumarverma6656]

🙏🙏🙏💐❤️🇮🇳जय हिन्द जय भारत 🇮🇳❤️💐🙏🙏🙏

[@Ashisingh1121]

Khan sir ka videos kisko kisko achha lagta hai ❤

[@MANOJPATEL-fq2ee]

Hmko

[@Mahi7781__SHIVAMDAS]

Hi

[@SudheerSisodiya]

Bahut achchi🎉❤

[@priyanshuraj5122]

Thanks for 1088 subscribers ➡️ Priyanshu Raj motivation channel 💪

[@TechExplainers.]

Thanks for 72 Subscriber❤

[@REGULARENGLISHGYAN]

Dhanyvad ❤117 subscribe ke lie 🎉

[@Sharmajii12345]

Sir jii aap Polotechnic ka class kyu nahi karate hai

[@shivkumarverma6656]

🙏🙏🙏💐❤️🇮🇳भारत माता की जय 🇮🇳❤️💐🙏🙏🙏

[@chandraprakashtiwari6276]

Charan sparsh guru Dev 🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏🙏

[@Dishainstitute304]

❤ veri good morning sar

[@RenuThakur608]

Thanks for 3k subscribe ke liye

[@NiteshNitesh-ds7lv]

Super hero khan sir 😊😊

[@santoshkumaryadav8240]

❤ very good morning sir

[@Angad2944]

7 .552K subscribe ho gaya 🙏👍

[@AmarnathDey-ph5bl]

Nice video sir❤❤❤❤❤

[@Suryashort5.5]

Love you sir 💞💞💞💞

[@aagamtech5233]

Kitne logon Ko Gyan ka figure nahin hota subscriber ka figure jyada hota hai

[@deveshpatel]

Thank 5k subscribers

[@dishaonlinekurtha]

Khan sir ko kon pasand karta❤❤❤

[@DineshGiri-nt4wf]

Sir ko namskar 🙏🏾

[@yuvrajkat.v]

Ka ho kaka🎉🎉

[@sonusihothiya6745]

Sir ji political science optional batch kab ayega online

[@Paigamtak]

Good 👍

[@Dt09732]

Thanks for khan sir 10k subscribe ke liye

[@AkleshKumar-xp8xd]

Good afternoon sir

[@AIPEEK_919]

सर मैं भी इलेक्ट्रिक वीडियो बनाता हूं मेरी भी गरीबी स्थिति है पर कोई सपोर्ट नहीं करता पढ़ाई करने के लिए पैसे नहीं तो सोचता हूं युटुबूब से कमाई कर लो

[@arjundeva1399]

Good

[@ratnasaswadkar1969]

धन्यवाद 😮

[@MrRatneshsahuji]

Maahakal

[@fazlulhaque4311]

Khan sr best

[@happy123-r8u]

LED
🎉🎉

[@sahidkhan7111]

Thanks for 37 subscribers

[@Sigma_raider_bike990]

Mera only 9k hone hola h pleez yar 9k kra do😢😢🎉

[@ajaykhatak7260]

Nyc

[@AknshaGaur]

Thanks sir

[@bigankymar]

Good morning sir

[@GunjanKumar-gp5bh]

Thanx sir 30 subscribe 🎉

[@pradipchavhan8546]

Sirf Khan sir ke fan log hi like kare

[@AK___editr__9940]

🎉🎉🎉🎉❤❤❤❤

[@satishpatwa1538]

❤❤❤❤

[@AmarnathDey-ph5bl]

❤❤❤❤❤❤❤❤❤❤❤

[@DhurendraSanatani]

Jai Hind

[@rsraja1020]

Hello sir

[@PankajVishwakarama-rv4nf]

🙏🇮🇳😂❤️

[@RituKumari-kl5mi]

Jitane students hai Like kare❤❤❤❤❤😊

[@shivkumarverma6656]

🙏🙏🙏💐💐❤️❤️🇮🇳🇮🇳🇮🇳🇮🇳🇮🇳❤️❤️💐💐🙏🙏🙏

[@amansahani04]

Hello

[@amansahani04]

Hello kgs family

[@ChandaniKumari-nq5oh]

😅😅😅😅😅

[@RituKumari-kl5mi]

Like Aur comment mat Karna 😊😊

[@जय.हिन्द.99.जय.भारत]

जय BJP जय भारत देश का स्वाभिमान हैं मोदी जी ❤❤👍❤👍🙏🇮🇳🙏

[@Sharmajii12345]

Sir jii aap Polotechnic ka class kyu nahi karate hai

[@ANURAGYADAV-3456]

❤❤❤❤

[@RahulKumar-yw8mg]

Good morning sir

[@DineshKumar-bf5vh]

❤❤❤❤❤❤❤❤❤❤❤❤❤

[@Sharmajii12345]

Sir jii aap Polotechnic ka class kyu nahi karate hai

[@HimanshuKumar-v7v5n]

❤❤