Sorry for bumping an old thread but I thought Ill clear up the confusion regarding 4X4 in the pictures above.
Pictures 1,8, 13 show a Toyota Qualis which is a 4x2.
Picture 2 shows a decaying Mahindra Armada which came in both 4x2 and 4x4 configurations.
Pictures 4 and 7 are a TATA Sumo which primarily came in 4x2 though 4x4 could be bought but is extremely rare.
Pictures 5&6 are Mahindra Marshal Jeep which cmae with both 4x2 and 4x4 configurations.
Picture 9 is a Mahindra Classic cj3b which was also offered in both 4x2 and 4x4.
Picture 10, 14 is a Suzuki Gypsy a lwb Jimny which came with 4x4.
Picture 12 and 13 is a Mahindra Bolero which came in both 4x2 and 4x4 configurations.
Picture 11 is a tempo trax cruiser in 4x2 configuration which had a Mercedes Benz derived engine.