India, Oct. 21 -- New Delhi [India], October 21 (ANI) The National Unity Day celebrations at Ekta Nagar in Gujarat will accommodate 25,000 people this year, with around 5,000 participants from 126 Left-Wing Extremism (LWE)-affected districts expected to attend, Union Home Secretary Govind Mohan said on Wednesday, adding that a drug-free India will be a key theme of the October 31 event.

Mohan said the celebrations marking the birth anniversary of Sardar Vallabhbhai Patel would focus on strengthening "national unity", highlighting Patel's contribution to the country's unification and the establishment of a strong administrative framework.

He said preparations for this year's event began around four months in advance, compared with the us...