saans thamti gayi, nabz jamti gayi

fir bhi badte kadam ko na rukne diya.... is ka meaning kya hai?

it means that the indian soldiers are standing in the coldest areas of the country - himalayas and protecting india from the enemies , namely china in this poem. due to cold their breath started to slow dowm and their veins started to clot. but still they did not give up. in those situations also they had only one goal - to protect the country