Видео ютуба по тегу Prof Bd Tripathi

Prof B D Tripathi Pioneered Ganga Pollution Researches
Prof B D Tripathi Pioneered Ganga Pollution Researches
Ganga Water Quality Monitoring by Prof B D Tripathi
Ganga Water Quality Monitoring by Prof B D Tripathi
Ganga Pollution Researches of Prof B D Tripathi Discussed in Parliament
Ganga Pollution Researches of Prof B D Tripathi Discussed in Parliament
Prof B D Tripathi Discussed Ganga Pollution Problems with the Prime Minister Dr Manmohan Singh
Prof B D Tripathi Discussed Ganga Pollution Problems with the Prime Minister Dr Manmohan Singh
Tuesday Lecture Series by Vigyan Prasar (Talk 27)
Tuesday Lecture Series by Vigyan Prasar (Talk 27)
Air Quality Monitoring over Ganga By Prof. B.D. Tripathi
Air Quality Monitoring over Ganga By Prof. B.D. Tripathi
Prof B D Tripathi Discussed Ganga Pollution Problems with the then Prime Minister Mrs Indira Gandhi
Prof B D Tripathi Discussed Ganga Pollution Problems with the then Prime Minister Mrs Indira Gandhi
Rainwater Harvesting Hindi (part-2) Prof. B D Tripathi
Rainwater Harvesting Hindi (part-2) Prof. B D Tripathi
Ecoskills: Remove your stress Professor BDTripathi
Ecoskills: Remove your stress Professor BDTripathi
Air Pollution in Varanasi Professor BDTripathi
Air Pollution in Varanasi Professor BDTripathi
Plastic Pollution Professor BDTripathi
Plastic Pollution Professor BDTripathi
Ganga Pratigya: गंगा अभियान पर पर्यावरणविद् और नदी विशेषज्ञ Prof. BD Tripathi का संदेश। ABP Ganga
Ganga Pratigya: गंगा अभियान पर पर्यावरणविद् और नदी विशेषज्ञ Prof. BD Tripathi का संदेश। ABP Ganga
Air pollution Professor BDTripathi
Air pollution Professor BDTripathi
Flow of Ganga Water must be enhanced Professor BDTripathi
Flow of Ganga Water must be enhanced Professor BDTripathi