Hi Himashu, Attached below with my comments are packages offered by Tripoto for hassle free travelling. Please take a look, fill the form and someone will get in touch with you. Thanks!
Yes, you can start with solo trip and even on the way you will meet many people and join their group. moreover, you can go via bike or car. its upto your choice but make sure to keep all the necessary things handy (especially the tool and medicine kit). enjoy your journey.
Dear Himanshu, Just go through this and make your own Itinerary. (i) Leh
1. Hall of Fame Museum 2. Namgyal Tsemo Monastery 3. Leh Palace 4. Zorawar Fort 5. Shanti Stupa ( Buddhist temple ) 6. Shey Palace ( Monastery ) 7. Thiksey ( Monastery ) 8. Hemis Gompa 9. Magnetic Hill 10. Gurudwara Pathar Sahib 11. Khardung La (ii) Nubra Valley
1. Diskit Gompa 2. Hunder Sand Dunes with Camel Safari 3. Turtuk Village 4. Tiger Camp 5. Charasa 6. Ensa Monastery (Gompa) 7. Yarab Tso Lake 8. Panamik Hot Spring (iii) Pangong Lake (iv) Changthang
1. Chushul 2. Hanle with Indian Astronomical Observatory 3. Tso Moriri Lake with wildlife 4. Puga Valley 5. Tso Kar Lake 6. Yaye Tso 7. Chumathang Hot Spring 8. Kiyari war memorial (v) Aryan Valley (vi) Leh to Kargil
1. Nimu village 2. Likir, Alchi, Lamayuru Monastery 3. Fotu La, Namika La 4. Mulbekh Monastery (vii) Suru Valley
1. Parkachik Glacier 2. Nun Kun mountain 3. Rangdum (viii) Zanskar Valley
1. Padum 2. Phuktal Gompa 3. Chadar Trek (ix) Hemis National Park
1. Stok kangri 2. National Park but Main Focus SNOW LEOPARD (x) Leh - Manali Road Trip
*** Leh --> Shey --> Thiksey --> Karu --> Upshi --> Rumtse --> Taglang La --> Debring --> More plains --> Pang --> Lachalung La --> Sarchu --> Suraj Tal --> Baralacha La --> Zing Zing Bar --> Darcha --> Jispa --> Kyelang --> Gondhla --> Khoksar --> Rohtang La --> Kothi --> Manali