sir sirf ye 4 to premium me aate hai baki aur bhi hai jinko regular me p7 ki jarurat hai like 12859 Geetanjali, 12101 Jananeshwari, 18030 Shalimar Kurla Expres, Ispat Express, Steel Express, Barbil Janshatabdi, Puri Shatabdi ETC aur bhi hai kitne ginenge, sab ko jarurat hai.