How to get Attractive Vodafone cooperative Plans

In olx and quikr i find many selling below corprative plans in delhi and mumbai ..
Iam from kerala , any experience dimmers help in getting one ?

Rent 105:-

400 minutes free local and std
225 sms free local and national
5% bill discount
v2v- 10p/min.
v2o – 30p/min.
v2L – 40p/min.
v2s – 50p/min.
SMS charges local=20p/sms
SMS charges national = 20p/sms
International sms = 5rs/sms

Rent 199:-

Voda to voda unlimited calling free

700 SMS free local and national
30p local
50p std
50p roaming

Rent 249:-

Voda to voda unlimited calling free
330 min Loc Or 220 Min Std
1000 SMS free local and national
20p local
50p std
50p roaming

Rent 149:-

2100 min Voda 2 Voda Local
400 minutes local M2M
20p voda
30p other
50p std

Rent 299:-

60,000 seconds free local std roaming
300 local and national sms free
1p per 2 seconds local
1p per second std

Rent 399:-

1,20,000 seconds free local std roaming
500 SMS LOCAL AND NATIONAL
1p per 2 seconds local
1p per second std

Rent 1249:-

3500 min loc std roaming
4gb 3g then unlimited 2g
1000 sms loc n nat
20p voda
30p other
50p std

Rent 949:-

2000 min loc std roaming
4gb 3g then unlimited 2g
1000 sms loc n nat
20p voda
30p other
50p std

Rent 299:-

500 minutes free local
750mb 3g free, then unlimited 2g
150+150 local and national sms
20p voda
30p other
50p std

Rent 375:-

500 minutes free local and std
150+150 local and national sms free
1gb 3g free, then unlimited 2g
20p voda
30p other
50p std

Rent 499:-

2000 minutes free local
1.5gb 3g free, then unlimited 2g
150+150 local and national sms
20p voda
30p other
50p std

Rent 1599:-

10,000 minutes free local , std roaming
8gb 3g, then unlimited 2g
1000 sms local and national
30p local
40p other
50p std

Rent 525:-

1700 minutes local STD Roaming
500 sms local and national
20p voda
30p other
50p std

Rent 625:-

2000 minutes local STD Roaming
1000 sms local and national
20p voda
30p other
50p std

Rent 999:-

3500 minutes local STD Roaming
1000 sms local and national
20p voda
30p other
50p std

Rent 249:-

800 minutes local STD Roaming
500 sms local and national
20p voda
30p other
50p std

Rent 299:-

1000 minutes local STD Roaming
500 sms local and national
20p voda
30p other
50p std

Rent 475:-

2000 minutes local STD Roaming
750 sms local and national
20p voda
30p other
50p std

Rent 625:-

3000 minutes local STD Roaming
1000 sms local and national
20p voda
30p other
50p std

Rent 666:-

1500 minutes local & STD
1.5gb 3g then unlimited 2g
1000 sms loc n nat
20p voda
30p other
50p std

Rent 999:-

2500 minutes local & STD
4gb 3g then unlimited 2g
1000 sms loc n nat
20p voda
30p other
50p std