Shah filed her papers before the Returning Officer Ravinath Raman at the collectorate here in the presence of top state BJP leaders, including former chief ministers B C Khanduri, B S Koshiyari and Ramesh Pokhariyal Nishank.
Raj laxmi is pitted against the Chief Minister's son and Congress candiadate Saket Bahuguna from the seat.
The seat fell vacant after the resignation of Vijay Bahuguna from the constituency on his election as Chief Minister.
Saket is likely to file his papers on September 21. The last date for filing nominations is September 22.