Ye dil tum bin kahin lagta nahi hum kya kare,
Tum hi kah do ab ae jaane wafa, hum kya kare,
Tassawur mein koi basta nahi, hum kya kare,
Tumhi kah do ab ae jaane wafa hum kya kare.
Mohabbat kar toh le lekin, mohabbat raas aaye bhi,
Dilon ko bojh lagte hai, kabhi zulfon ke saayein bhi,
Hazarin gham hai duniya mein, kai apne bhi paraye bhi,
Mohabbat hi karam nahi, hum kya kare. (I love this line!)
Kare, therefore, 'R'.