Class 7 | வகுப்பு 7 | அறிவியல் | வெப்பம் மற்றும் வெப்பநிலை | அலகு 1 | KalviTV By Zeal Study October 27, 2021 Due to covid-19 pandemic disease the second wave has a severe impact in India so the schools are closed in Tamilnadu. Read more
