This is the 507th most frequent Hindi word.
चलकर
"चलकर" means "walking" or "by walking" in English.
Here, 'चलकर' indicates the means through which the action of reaching the top was accomplished.
वह पहाड़ी पर चलकर चोटी तक पहुंचा।
He climbed to the top by walking up the hill.
In this sentence, 'चलकर' emphasizes the method of performing the action, which is by walking.
चलकर ही हम बाजार तक जा सकते हैं, क्योंकि दूसरी सड़के बंद हैं।
We can only reach the market by walking, as the other roads are closed.
Here, 'चलकर' is used to suggest the manner or mode of coming, specifically on foot.