Crested Lark
Galerida cristata
A fairly small lark, the crested lark is roughly the same size as a Eurasian skylark, but shorter overall and bulkier around the head and body, and very similar in appearance, with a height of 17 cm (6.7 in) and a wingspan of 29 to 38 cm (11 to 15 in), weighing between 37 and 55 g (1.3 and 1.9 oz). It is a small, brown bird which has a short tail with light brown outer feathers. Male and females have no real differences, but young crested larks have more spots on their back than their older counterparts. Its plumage is downy but sparse and appears whitish.
ID text from Wikipedia, CC BY-SA 4.0

Malabar Lark
Galerida malabarica
This is a smallish lark, slightly smaller than the Eurasian skylark. It has a long spiky erectile crest. It is greyer than the skylark, and lacks the white wing and tail edges of that species, which is a winter visitor to India. It is very similar to the crested lark, which breeds in northern India. The Malabar lark is smaller and dark-streaked reddish brown in plumage, whereas the crested lark is grey. The belly is white. The sexes are similar.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Crested Lark and Malabar Lark.