To get admission in MCA program in JNU, you will have to clear its entrance as this is the mandatory criteria to get seat there.

Also, candidates must have a Bachelor’s Degree in any discipline under 10+2+3 education pattern from any state or Nationally recognised Institute or University. Candidates must

Well MCA is a Masters degree so it is not possible that it ould be equivalent to a bachelors degree.  For B.tech it takes 4 years and for completing MCA one needs to go for bachelors which is of minimum 3 years and than have o o for 2 years

for direct admission contact --

@ (+91-9742479101),  (+91-9742886036) or  (+91-9035556036)

The approximate fee for MCA in Reva University is 1,00,000/- per year.

Good Luck!!!

Below are the top colleges you can check below

NIT Warangal

NIT Surathkal

University of Hyderabad, Hyderabad 

Manipal Institute

Good Luck!!

You can check the private MCA Colleges below

Hindustan University, Kelambakkam

Kalinga University, Raipur

Genba Sopanrao Moze College of Engineering, Balewadi

Shri Venkateshwara University, Amroha

Gokhale Education Society's HPT Arts and RYK Science College, Nashik

Shri Jaysukhlal Vadhar Institute of Management Studies, Jamnagar

Prabhat Institute of Computer Science, Nandyal

NGM

Actually I am sceptical about the chances as most of the MCA courses including the lateral entry ones ask for a regular degree course. Diploma especially distance ones are not given preference. Have you also pursued any other graduation or just the PG Diploma in Computer applications? The reason is

See the number of colleges offering MCA are too many. It depends upon where you wish to pursue. Most of the institute have some or the other entrance exams to get through. I also believe that pursuing an MCA from a reputed college like an NIT, or university like VIT

In order to do MCA you can appear in NIMCET exam. 

To be eligible you should have  graduation degree i.e. BCA/B.Sc (Hons.)/B.Sc/ BIT as per 10+2+3 pattern from a recognised University. Students who have passed B.E/B.Tech degree is also eligible.

You should have studied Mathematics or Statistics or equivalent subject

You can check the top colleges of MCA below

BHU

BIT Mesra

MNNIT Allahabad

NIT Kurukshetra

VIT University

Hindustan University, Kelambakkam

Kalinga University, Raipur

Genba Sopanrao Moze College of Engineering, Balewadi

Shri Venkateshwara University, Amroha

Gokhale Education Society's HPT Arts and RYK Science College, Nashik

To know the complete list