Full form of NDA:

Full form of NDA: National Defense Academy The National Defense Academy is combination service of three types of armed government forces in India. All three services of India, the army, the navy and the air force, are trained together here. After this basic and compulsory training, they visit their respective service academies in order to get training before starting up. The National Defense Academy is located in Khadakwasla near Pune, Maharashtra.

The first tri-service academy in the world is NDA. NDA has spawned a lot of officers who have waged and fought in every major war in which the Indian army called for action. To date, it has produced 27 chiefs of service, including 3 Param Vir Chakra and 9 Ashok Chakra recipients.

 (ii) Full form of NDA: National Democratic Alliance The National Democratic Alliance is a grand alliance of many political parties in india with formed by a new initiative . It was founded in 1998. At the time of its inception, the NDA was led by the Bhartiya Janata Party (BJP) and had 13 parties. This coalition came to power from 1998 to 2004. The first prime minister of this coalition was Mr. Atal Bihari Vajpayee, who later also awarded “Bharat Ratna”.

 The following is a list of National Democratic Alliance partners.

 Bhartiya Janata Party (BJP)
Shiv Sena
Telugu Desam Party
Lok Janshakti party
Shiromani Akali Dal
Rashtriya Lok Samata Party
Lok Janshakti party
Apna Dal
Naga Popular Front
National People’s Party
Pattali Makkal Katchi
Swabhimani Paksha
All of India NR Congress 

Apart from these parties, there were several other NDA partners who were unable to open an account in the Lok Sabha election. But Mr. Modi thanks you for your contribution.

The list of other NDA partners is:

 DMDK
Haryana Janhit Congress
MDMKIJKKMDKRPI (Athawale)
Jana Sena
United Democratic Front (Mizoram)
Gorkha Janmukti Morcha
Manipur People’s Party
Revolutionary Socialist Party
Maharashtrawadi Gomantak Party
Kerala Congress (nationalist)