What is meaning of railway track side sign board/symbol

#tracksidesignboard#indianrailway#knowledgeknorr

Doston is video me indian me track side use hone wale symbol k bare me sari jankari di gai hai janane k liye video ko pura dekhiye

• #science_technology
• #railway_track_side_sign_board
• #meaning_of_railway_track_side_symbol
• #indian_railway
• #knowledge_knorr